252455242 has 36 divisors (see below), whose sum is σ = 432979830. Its totient is φ = 110331936.

The previous prime is 252455213. The next prime is 252455249. The reversal of 252455242 is 242554252.

It can be written as a sum of positive squares in 3 ways, for example, as 80084601 + 172370641 = 8949^2 + 13129^2 .

It is not an unprimeable number, because it can be changed into a prime (252455249) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120984 + ... + 123052.

Almost surely, 2^252455242 is an apocalyptic number.

252455242 is a deficient number, since it is larger than the sum of its proper divisors (180524588).

252455242 is a wasteful number, since it uses less digits than its factorization.

252455242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2103 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 252455242 is about 15888.8401716425. The cubic root of 252455242 is about 632.0160844195.

The spelling of 252455242 in words is "two hundred fifty-two million, four hundred fifty-five thousand, two hundred forty-two".