255037631 has 4 divisors (see below), whose sum is σ = 255721752. Its totient is φ = 254353512.

The previous prime is 255037597. The next prime is 255037637. The reversal of 255037631 is 136730552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255037631 is a prime.

It is a super-2 number, since 2×255037631² = 130088386452184322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255037637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341501 + ... + 342246.

It is an arithmetic number, because the mean of its divisors is an integer number (63930438).

Almost surely, 2^255037631 is an apocalyptic number.

255037631 is a deficient number, since it is larger than the sum of its proper divisors (684121).

255037631 is an equidigital number, since it uses as much as digits as its factorization.

255037631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684120.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 255037631 is about 15969.8976515192. The cubic root of 255037631 is about 634.1637625241.

The spelling of 255037631 in words is "two hundred fifty-five million, thirty-seven thousand, six hundred thirty-one".