255252525064 has 32 divisors (see below), whose sum is σ = 486714651840. Its totient is φ = 125464276800.

The previous prime is 255252525053. The next prime is 255252525067. The reversal of 255252525064 is 460525252552.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 255252525064.

It is not an unprimeable number, because it can be changed into a prime (255252525067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739357 + ... + 1028179.

It is an arithmetic number, because the mean of its divisors is an integer number (15209832870).

Almost surely, 2^255252525064 is an apocalyptic number.

It is an amenable number.

255252525064 is a deficient number, since it is larger than the sum of its proper divisors (231462126776).

255252525064 is a wasteful number, since it uses less digits than its factorization.

255252525064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290701 (or 290697 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 255252525064 in words is "two hundred fifty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, sixty-four".