255360591 has 6 divisors (see below), whose sum is σ = 368854200. Its totient is φ = 170240388.

The previous prime is 255360577. The next prime is 255360601. The reversal of 255360591 is 195063552.

255360591 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 60 + 591 = 666.

It is not a de Polignac number, because 255360591 - 2⁷ = 255360463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255360571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14186691 + ... + 14186708.

It is an arithmetic number, because the mean of its divisors is an integer number (61475700).

Almost surely, 2^255360591 is an apocalyptic number.

255360591 is a deficient number, since it is larger than the sum of its proper divisors (113493609).

255360591 is a wasteful number, since it uses less digits than its factorization.

255360591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28373405 (or 28373402 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 255360591 is about 15980.0059762192. The cubic root of 255360591 is about 634.4313349827.

The spelling of 255360591 in words is "two hundred fifty-five million, three hundred sixty thousand, five hundred ninety-one".