255080857 has 4 divisors (see below), whose sum is σ = 255588480. Its totient is φ = 254573236.

The previous prime is 255080851. The next prime is 255080863. The reversal of 255080857 is 758080552.

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 an interprime number because it is at equal distance from previous prime (255080851) and next prime (255080863).

It is a cyclic number.

It is not a de Polignac number, because 255080857 - 2²³ = 246692249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255080851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253057 + ... + 254062.

It is an arithmetic number, because the mean of its divisors is an integer number (63897120).

Almost surely, 2^255080857 is an apocalyptic number.

It is an amenable number.

255080857 is a deficient number, since it is larger than the sum of its proper divisors (507623).

255080857 is an equidigital number, since it uses as much as digits as its factorization.

255080857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507622.

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 255080857 is about 15971.2509528841. The cubic root of 255080857 is about 634.1995883670.

The spelling of 255080857 in words is "two hundred fifty-five million, eighty thousand, eight hundred fifty-seven".