Properties of the Number 25625

Twenty-Five Thousand Six Hundred Twenty-Five

Basics

Value: 25624 → 25625 → 25626

Parity: odd

Prime: No

Previous Prime: 25621

Next Prime: 25633

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ⁴ × 41

Divisors: 1, 5, 25, 41, 125, 205, 625, 1025, 5125, 25625

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010000011001

Octal: 62031

Duodecimal: 129B5

Hexadecimal: 6419

Square: 656640625

Square Root: 160.0781059358212

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

Numbers k such that k | 4^k + 1. A15950

a(n) is the decimal concatenation of n and n². A53061

Numbers n such that the decimal number concat(5,n) is a square. A273360

Expansion of ∏_k>=1 (1 + 5^k-1*x^k). A344064

Numbers that are the sum of 2 nonzero squares in 5 or more ways. A25296

Numbers that are the sum of 2 distinct nonzero squares in 5 or more ways. A25315

Numbers that are in more than one way the concatenation of the decimal representation of two nonzero squares. A192993

Concatenations of two squares in two ways. A38670

Positive numbers y such that y² is of the form x² + (x+127)² with integer x. A159466

Numbers that are the sum of 2 nonzero squares in exactly 5 ways. A25288