252685328 has 20 divisors (see below), whose sum is σ = 559517760. Its totient is φ = 108293664.

The previous prime is 252685319. The next prime is 252685333. The reversal of 252685328 is 823586252.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1127948 + ... + 1128171.

It is an arithmetic number, because the mean of its divisors is an integer number (27975888).

Almost surely, 2^252685328 is an apocalyptic number.

252685328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252685328 is an abundant number, since it is smaller than the sum of its proper divisors (306832432).

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

252685328 is a wasteful number, since it uses less digits than its factorization.

252685328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256134 (or 2256128 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 252685328 is about 15896.0790133920. The cubic root of 252685328 is about 632.2080311798.

The spelling of 252685328 in words is "two hundred fifty-two million, six hundred eighty-five thousand, three hundred twenty-eight".