252938236 has 6 divisors (see below), whose sum is σ = 442641920. Its totient is φ = 126469116.

The previous prime is 252938227. The next prime is 252938237. The reversal of 252938236 is 632839252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252938237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31617276 + ... + 31617283.

Almost surely, 2^252938236 is an apocalyptic number.

It is an amenable number.

252938236 is a deficient number, since it is larger than the sum of its proper divisors (189703684).

252938236 is a wasteful number, since it uses less digits than its factorization.

252938236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63234563 (or 63234561 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 252938236 is about 15904.0320673721. The cubic root of 252938236 is about 632.4188825654.

The spelling of 252938236 in words is "two hundred fifty-two million, nine hundred thirty-eight thousand, two hundred thirty-six".