252388634 has 8 divisors (see below), whose sum is σ = 378848928. Its totient is φ = 126105660.

The previous prime is 252388627. The next prime is 252388657. The reversal of 252388634 is 436883252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 252388591 and 252388600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40712 + ... + 46499.

It is an arithmetic number, because the mean of its divisors is an integer number (47356116).

Almost surely, 2^252388634 is an apocalyptic number.

252388634 is a deficient number, since it is larger than the sum of its proper divisors (126460294).

252388634 is a wasteful number, since it uses less digits than its factorization.

252388634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88660.

The product of its digits is 276480, while the sum is 41.

The square root of 252388634 is about 15886.7439709967. The cubic root of 252388634 is about 631.9604956480.

The spelling of 252388634 in words is "two hundred fifty-two million, three hundred eighty-eight thousand, six hundred thirty-four".