252732172 has 24 divisors (see below), whose sum is σ = 551416320. Its totient is φ = 98466960.

The previous prime is 252732127. The next prime is 252732197. The reversal of 252732172 is 271237252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409972 + ... + 410587.

It is an arithmetic number, because the mean of its divisors is an integer number (22975680).

Almost surely, 2^252732172 is an apocalyptic number.

252732172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252732172 is an abundant number, since it is smaller than the sum of its proper divisors (298684148).

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

252732172 is a wasteful number, since it uses less digits than its factorization.

252732172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820581 (or 820579 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 252732172 is about 15897.5523902266. The cubic root of 252732172 is about 632.2470960032.

The spelling of 252732172 in words is "two hundred fifty-two million, seven hundred thirty-two thousand, one hundred seventy-two".