252879394 has 8 divisors (see below), whose sum is σ = 380689308. Its totient is φ = 125982960.

The previous prime is 252879353. The next prime is 252879401. The reversal of 252879394 is 493978252.

It can be written as a sum of positive squares in 2 ways, for example, as 204061225 + 48818169 = 14285^2 + 6987^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227677 + ... + 228784.

Almost surely, 2^252879394 is an apocalyptic number.

252879394 is a deficient number, since it is larger than the sum of its proper divisors (127809914).

252879394 is a wasteful number, since it uses less digits than its factorization.

252879394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456740.

The product of its digits is 1088640, while the sum is 49.

The square root of 252879394 is about 15902.1820515299. The cubic root of 252879394 is about 632.3698380786.

The spelling of 252879394 in words is "two hundred fifty-two million, eight hundred seventy-nine thousand, three hundred ninety-four".