252638182 has 4 divisors (see below), whose sum is σ = 378957276. Its totient is φ = 126319090.

The previous prime is 252638167. The next prime is 252638209. The reversal of 252638182 is 281836252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63159544 + ... + 63159547.

It is an arithmetic number, because the mean of its divisors is an integer number (94739319).

Almost surely, 2^252638182 is an apocalyptic number.

252638182 is a deficient number, since it is larger than the sum of its proper divisors (126319094).

252638182 is a wasteful number, since it uses less digits than its factorization.

252638182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126319093.

The product of its digits is 46080, while the sum is 37.

The square root of 252638182 is about 15894.5959998988. The cubic root of 252638182 is about 632.1687096331.

The spelling of 252638182 in words is "two hundred fifty-two million, six hundred thirty-eight thousand, one hundred eighty-two".