255626 has 24 divisors (see below), whose sum is σ = 476640. Its totient is φ = 100440.

The previous prime is 255617. The next prime is 255637. The reversal of 255626 is 626552.

It is a happy number.

Its product of digits (3600) is a multiple of the sum of its prime factors (90).

It is a junction number, because it is equal to n+sod(n) for n = 255595 and 255604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8231 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (19860).

2²⁵⁵⁶²⁶ is an apocalyptic number.

255626 is a deficient number, since it is larger than the sum of its proper divisors (221014).

255626 is a wasteful number, since it uses less digits than its factorization.

255626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 59 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 255626 is about 505.5946993393. The cubic root of 255626 is about 63.4651057588.

The spelling of 255626 in words is "two hundred fifty-five thousand, six hundred twenty-six".