252644232 has 16 divisors (see below), whose sum is σ = 631610640. Its totient is φ = 84214736.

The previous prime is 252644209. The next prime is 252644261. The reversal of 252644232 is 232446252.

It is a self number, because there is not a number n which added to its sum of digits gives 252644232.

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, 5263398 + ... + 5263445.

It is an arithmetic number, because the mean of its divisors is an integer number (39475665).

Almost surely, 2^252644232 is an apocalyptic number.

It is an amenable number.

252644232 is an abundant number, since it is smaller than the sum of its proper divisors (378966408).

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

252644232 is a wasteful number, since it uses less digits than its factorization.

252644232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526852 (or 10526848 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 252644232 is about 15894.7863150154. The cubic root of 252644232 is about 632.1737558354.

The spelling of 252644232 in words is "two hundred fifty-two million, six hundred forty-four thousand, two hundred thirty-two".