252571158 has 48 divisors (see below), whose sum is σ = 632975616. Its totient is φ = 71290800.

The previous prime is 252571157. The next prime is 252571169. The reversal of 252571158 is 851175252.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252571157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1618 + ... + 22533.

It is an arithmetic number, because the mean of its divisors is an integer number (13186992).

Almost surely, 2^252571158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252571158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316487808).

252571158 is an abundant number, since it is smaller than the sum of its proper divisors (380404458).

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

252571158 is a wasteful number, since it uses less digits than its factorization.

252571158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24249 (or 24246 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 252571158 is about 15892.4874705000. The cubic root of 252571158 is about 632.1128006612.

The spelling of 252571158 in words is "two hundred fifty-two million, five hundred seventy-one thousand, one hundred fifty-eight".