252555656 has 32 divisors (see below), whose sum is σ = 480556800. Its totient is φ = 124417920.

The previous prime is 252555649. The next prime is 252555683. The reversal of 252555656 is 656555252.

252555656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 306461 + ... + 307283.

It is an arithmetic number, because the mean of its divisors is an integer number (15017400).

Almost surely, 2^252555656 is an apocalyptic number.

It is an amenable number.

252555656 is a deficient number, since it is larger than the sum of its proper divisors (228001144).

252555656 is a wasteful number, since it uses less digits than its factorization.

252555656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1345 counting only the distinct ones).

The product of its digits is 450000, while the sum is 41.

The square root of 252555656 is about 15891.9997483010. Note that the first 3 decimals coincide. The cubic root of 252555656 is about 632.0998680508.

The spelling of 252555656 in words is "two hundred fifty-two million, five hundred fifty-five thousand, six hundred fifty-six".