255615250 has 32 divisors (see below), whose sum is σ = 522018432. Its totient is φ = 92950000.

The previous prime is 255615229. The next prime is 255615253. The reversal of 255615250 is 52516552.

It is not an unprimeable number, because it can be changed into a prime (255615253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43726 + ... + 49225.

It is an arithmetic number, because the mean of its divisors is an integer number (16313076).

Almost surely, 2^255615250 is an apocalyptic number.

255615250 is an abundant number, since it is smaller than the sum of its proper divisors (266403182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255615250 is a wasteful number, since it uses less digits than its factorization.

255615250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92979 (or 92969 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 255615250 is about 15987.9720415067. The cubic root of 255615250 is about 634.6421610044.

The spelling of 255615250 in words is "two hundred fifty-five million, six hundred fifteen thousand, two hundred fifty".