255902069 has 4 divisors (see below), whose sum is σ = 256066944. Its totient is φ = 255737196.

The previous prime is 255902047. The next prime is 255902077. The reversal of 255902069 is 960209552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255902069 - 2⁸ = 255901813 is a prime.

It is a super-2 number, since 2×255902069² = 130971737836961522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255902099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80087 + ... + 83220.

It is an arithmetic number, because the mean of its divisors is an integer number (64016736).

Almost surely, 2^255902069 is an apocalyptic number.

It is an amenable number.

255902069 is a deficient number, since it is larger than the sum of its proper divisors (164875).

255902069 is a wasteful number, since it uses less digits than its factorization.

255902069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164874.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 255902069 is about 15996.9393635158. The cubic root of 255902069 is about 634.8794439126.

The spelling of 255902069 in words is "two hundred fifty-five million, nine hundred two thousand, sixty-nine".