255592251 has 12 divisors (see below), whose sum is σ = 377044512. Its totient is φ = 166769136.

The previous prime is 255592243. The next prime is 255592273. The reversal of 255592251 is 152295552.

It is not a de Polignac number, because 255592251 - 2³ = 255592243 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255592201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301696 + ... + 302541.

It is an arithmetic number, because the mean of its divisors is an integer number (31420376).

Almost surely, 2^255592251 is an apocalyptic number.

255592251 is a deficient number, since it is larger than the sum of its proper divisors (121452261).

255592251 is a wasteful number, since it uses less digits than its factorization.

255592251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604290 (or 604287 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 255592251 is about 15987.2527658757. The cubic root of 255592251 is about 634.6231264425.

The spelling of 255592251 in words is "two hundred fifty-five million, five hundred ninety-two thousand, two hundred fifty-one".