255266031 has 4 divisors (see below), whose sum is σ = 340354712. Its totient is φ = 170177352.

The previous prime is 255266023. The next prime is 255266051. The reversal of 255266031 is 130662552.

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

It is not a de Polignac number, because 255266031 - 2³ = 255266023 is a prime.

It is a super-2 number, since 2×255266031² = 130321493164985922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255266031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255266051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42544336 + ... + 42544341.

It is an arithmetic number, because the mean of its divisors is an integer number (85088678).

Almost surely, 2^255266031 is an apocalyptic number.

255266031 is a deficient number, since it is larger than the sum of its proper divisors (85088681).

255266031 is an equidigital number, since it uses as much as digits as its factorization.

255266031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85088680.

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

The square root of 255266031 is about 15977.0470050006. The cubic root of 255266031 is about 634.3530153624.

The spelling of 255266031 in words is "two hundred fifty-five million, two hundred sixty-six thousand, thirty-one".