255971316 has 24 divisors (see below), whose sum is σ = 598207680. Its totient is φ = 85189312.

The previous prime is 255971299. The next prime is 255971321. The reversal of 255971316 is 613179552.

It is a super-2 number, since 2×255971316² = 131042629229543712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8721 + ... + 24248.

It is an arithmetic number, because the mean of its divisors is an integer number (24925320).

Almost surely, 2^255971316 is an apocalyptic number.

It is an amenable number.

255971316 is an abundant number, since it is smaller than the sum of its proper divisors (342236364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255971316 is a wasteful number, since it uses less digits than its factorization.

255971316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33623 (or 33621 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 255971316 is about 15999.1035998896. The cubic root of 255971316 is about 634.9367047912.

The spelling of 255971316 in words is "two hundred fifty-five million, nine hundred seventy-one thousand, three hundred sixteen".