255915607 has 2 divisors, whose sum is σ = 255915608. Its totient is φ = 255915606.

The previous prime is 255915587. The next prime is 255915619. The reversal of 255915607 is 706519552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255915607 - 2²⁷ = 121697879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255915607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255915307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127957803 + 127957804.

It is an arithmetic number, because the mean of its divisors is an integer number (127957804).

Almost surely, 2^255915607 is an apocalyptic number.

255915607 is a deficient number, since it is larger than the sum of its proper divisors (1).

255915607 is an equidigital number, since it uses as much as digits as its factorization.

255915607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 255915607 is about 15997.3625013625. The cubic root of 255915607 is about 634.8906394015.

The spelling of 255915607 in words is "two hundred fifty-five million, nine hundred fifteen thousand, six hundred seven".