252418574 has 4 divisors (see below), whose sum is σ = 378627864. Its totient is φ = 126209286.

The previous prime is 252418531. The next prime is 252418619. The reversal of 252418574 is 475814252.

252418574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon 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, 63104642 + ... + 63104645.

It is an arithmetic number, because the mean of its divisors is an integer number (94656966).

Almost surely, 2^252418574 is an apocalyptic number.

252418574 is a deficient number, since it is larger than the sum of its proper divisors (126209290).

252418574 is a wasteful number, since it uses less digits than its factorization.

252418574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126209289.

The product of its digits is 89600, while the sum is 38.

The square root of 252418574 is about 15887.6862380902. The cubic root of 252418574 is about 631.9854837637.

The spelling of 252418574 in words is "two hundred fifty-two million, four hundred eighteen thousand, five hundred seventy-four".