255313251 has 12 divisors (see below), whose sum is σ = 369835128. Its totient is φ = 169724544.

The previous prime is 255313211. The next prime is 255313277. The reversal of 255313251 is 152313552.

It is a happy number.

It is not a de Polignac number, because 255313251 - 2²² = 251118947 is a prime.

It is a super-2 number, since 2×255313251² = 130369712272378002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255313211) 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 11 ways as a sum of consecutive naturals, for example, 37005 + ... + 43358.

It is an arithmetic number, because the mean of its divisors is an integer number (30819594).

Almost surely, 2^255313251 is an apocalyptic number.

255313251 is a deficient number, since it is larger than the sum of its proper divisors (114521877).

255313251 is a wasteful number, since it uses less digits than its factorization.

255313251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80722 (or 80719 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 255313251 is about 15978.5246815843. The cubic root of 255313251 is about 634.3921278946.

It can be divided in two parts, 25531 and 3251, that added together give a palindrome (28782).

The spelling of 255313251 in words is "two hundred fifty-five million, three hundred thirteen thousand, two hundred fifty-one".