252571164 has 24 divisors (see below), whose sum is σ = 603039360. Its totient is φ = 82232304.

The previous prime is 252571157. The next prime is 252571169. The reversal of 252571164 is 461175252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252571169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244224 + ... + 245255.

It is an arithmetic number, because the mean of its divisors is an integer number (25126640).

Almost surely, 2^252571164 is an apocalyptic number.

It is an amenable number.

252571164 is an abundant number, since it is smaller than the sum of its proper divisors (350468196).

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

252571164 is a wasteful number, since it uses less digits than its factorization.

252571164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489529 (or 489527 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 252571164 is about 15892.4876592685. The cubic root of 252571164 is about 632.1128056666.

The spelling of 252571164 in words is "two hundred fifty-two million, five hundred seventy-one thousand, one hundred sixty-four".