252167172 has 12 divisors (see below), whose sum is σ = 588390096. Its totient is φ = 84055720.

The previous prime is 252167159. The next prime is 252167191. The reversal of 252167172 is 271761252.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 10506954 + ... + 10506977.

It is an arithmetic number, because the mean of its divisors is an integer number (49032508).

Almost surely, 2^252167172 is an apocalyptic number.

It is an amenable number.

252167172 is an abundant number, since it is smaller than the sum of its proper divisors (336222924).

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

252167172 is a wasteful number, since it uses less digits than its factorization.

252167172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21013938 (or 21013936 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 252167172 is about 15879.7724165052. The cubic root of 252167172 is about 631.7756006467.

The spelling of 252167172 in words is "two hundred fifty-two million, one hundred sixty-seven thousand, one hundred seventy-two".