255596631 has 16 divisors (see below), whose sum is σ = 356951040. Its totient is φ = 162375840.

The previous prime is 255596617. The next prime is 255596681. The reversal of 255596631 is 136695552.

It is not a de Polignac number, because 255596631 - 2⁵ = 255596599 is a prime.

It is a super-2 number, since 2×255596631² = 130659275557100322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255596681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11865 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (22309440).

Almost surely, 2^255596631 is an apocalyptic number.

255596631 is a deficient number, since it is larger than the sum of its proper divisors (101354409).

255596631 is a wasteful number, since it uses less digits than its factorization.

255596631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13966.

The product of its digits is 243000, while the sum is 42.

The square root of 255596631 is about 15987.3897494244. The cubic root of 255596631 is about 634.6267515308.

The spelling of 255596631 in words is "two hundred fifty-five million, five hundred ninety-six thousand, six hundred thirty-one".