252817294 has 4 divisors (see below), whose sum is σ = 379225944. Its totient is φ = 126408646.

The previous prime is 252817259. The next prime is 252817303. The reversal of 252817294 is 492718252.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 63204322 + ... + 63204325.

It is an arithmetic number, because the mean of its divisors is an integer number (94806486).

Almost surely, 2^252817294 is an apocalyptic number.

252817294 is a deficient number, since it is larger than the sum of its proper divisors (126408650).

252817294 is a wasteful number, since it uses less digits than its factorization.

252817294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126408649.

The product of its digits is 80640, while the sum is 40.

The square root of 252817294 is about 15900.2293694148. The cubic root of 252817294 is about 632.3180698143.

The spelling of 252817294 in words is "two hundred fifty-two million, eight hundred seventeen thousand, two hundred ninety-four".