255152817 has 24 divisors (see below), whose sum is σ = 386979840. Its totient is φ = 161773920.

The previous prime is 255152803. The next prime is 255152827. The reversal of 255152817 is 718251552.

It is not a de Polignac number, because 255152817 - 2⁶ = 255152753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255152827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10192 + ... + 24782.

It is an arithmetic number, because the mean of its divisors is an integer number (16124160).

Almost surely, 2^255152817 is an apocalyptic number.

It is an amenable number.

255152817 is a deficient number, since it is larger than the sum of its proper divisors (131827023).

255152817 is a wasteful number, since it uses less digits than its factorization.

255152817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14693 (or 14690 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 255152817 is about 15973.5035918862. The cubic root of 255152817 is about 634.2592200619.

The spelling of 255152817 in words is "two hundred fifty-five million, one hundred fifty-two thousand, eight hundred seventeen".