255314631 has 16 divisors (see below), whose sum is σ = 399934080. Its totient is φ = 142833120.

The previous prime is 255314627. The next prime is 255314639. The reversal of 255314631 is 136413552.

It is not a de Polignac number, because 255314631 - 2² = 255314627 is a prime.

It is a super-2 number, since 2×255314631² = 130371121605332322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255314639) 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, 297141 + ... + 297998.

It is an arithmetic number, because the mean of its divisors is an integer number (24995880).

Almost surely, 2^255314631 is an apocalyptic number.

255314631 is a deficient number, since it is larger than the sum of its proper divisors (144619449).

255314631 is a wasteful number, since it uses less digits than its factorization.

255314631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595166.

The product of its digits is 10800, while the sum is 30.

The square root of 255314631 is about 15978.5678644865. The cubic root of 255314631 is about 634.3932708821.

The spelling of 255314631 in words is "two hundred fifty-five million, three hundred fourteen thousand, six hundred thirty-one".