255768353 has 4 divisors (see below), whose sum is σ = 257337648. Its totient is φ = 254199060.

The previous prime is 255768323. The next prime is 255768361. The reversal of 255768353 is 353867552.

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 255768353 - 2²² = 251574049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255768323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784403 + ... + 784728.

It is an arithmetic number, because the mean of its divisors is an integer number (64334412).

Almost surely, 2^255768353 is an apocalyptic number.

It is an amenable number.

255768353 is a deficient number, since it is larger than the sum of its proper divisors (1569295).

255768353 is a wasteful number, since it uses less digits than its factorization.

255768353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569294.

The product of its digits is 756000, while the sum is 44.

The square root of 255768353 is about 15992.7593929253. The cubic root of 255768353 is about 634.7688438814.

The spelling of 255768353 in words is "two hundred fifty-five million, seven hundred sixty-eight thousand, three hundred fifty-three".