255768351 has 4 divisors (see below), whose sum is σ = 341024472. Its totient is φ = 170512232.

The previous prime is 255768323. The next prime is 255768361. The reversal of 255768351 is 153867552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255768351 - 2⁵ = 255768319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255768361) 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, 42628056 + ... + 42628061.

It is an arithmetic number, because the mean of its divisors is an integer number (85256118).

Almost surely, 2^255768351 is an apocalyptic number.

255768351 is a deficient number, since it is larger than the sum of its proper divisors (85256121).

255768351 is an equidigital number, since it uses as much as digits as its factorization.

255768351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85256120.

The product of its digits is 252000, while the sum is 42.

The square root of 255768351 is about 15992.7593303970. The cubic root of 255768351 is about 634.7688422268.

The spelling of 255768351 in words is "two hundred fifty-five million, seven hundred sixty-eight thousand, three hundred fifty-one".