Properties of the Number -525625

Five Hundred Twenty-Five Thousand Six Hundred Twenty-Five

Basics

Value: -525626 → -525625 → -525624

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ⁴ × 29 ²

Divisors: 1, 5, 25, 29, 125, 145, 625, 725, 841, 3625

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10000000010100111001

Octal: -2002471

Duodecimal: -214221

Hexadecimal: -80539

Square: 276281640625

Square Root: 725

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of g.f. -(1+27·x²)/((1+3·x)*(1-2·x+9·x²)). A106632

Squares whose decimal digits are nonsquares (2, 3, 5, 6, 7, 8). A77437

The numerator of curvature of touching circles inscribed in a special way in the smaller segment of circle of radius 1/6 divided by a chord of length sqrt(8/75). A248834

a(n) is the least square with n binary digits. A357753

Numbers that are the sum of 2 nonzero squares in exactly 7 ways. A25290

Squares composed of digits {2,5,6}. A30484

Squares using only squarefree digits (2, 3, 5, 6, 7). A77676

"Binary prime squares": squares whose binary expansions, read as decimal expansions, are primes. A108324

a(n) is the least perfect power > 2ⁿ. A357751

Numbers that are the sum of 2 distinct nonzero squares in exactly 7 ways. A25308