252164132 has 24 divisors (see below), whose sum is σ = 484079232. Its totient is φ = 113983200.

The previous prime is 252164131. The next prime is 252164141. The reversal of 252164132 is 231461252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252164131) by changing a digit.

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, 7868 + ... + 23795.

It is an arithmetic number, because the mean of its divisors is an integer number (20169968).

Almost surely, 2^252164132 is an apocalyptic number.

252164132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252164132 is a deficient number, since it is larger than the sum of its proper divisors (231915100).

252164132 is a wasteful number, since it uses less digits than its factorization.

252164132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31859 (or 31857 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 252164132 is about 15879.6766969608. The cubic root of 252164132 is about 631.7730618473.

Subtracting from 252164132 its product of digits (2880), we obtain a palindrome (252161252).

The spelling of 252164132 in words is "two hundred fifty-two million, one hundred sixty-four thousand, one hundred thirty-two".