252578842 has 8 divisors (see below), whose sum is σ = 378947232. Its totient is φ = 126263100.

The previous prime is 252578831. The next prime is 252578863. The reversal of 252578842 is 248875252.

252578842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617 + ... + 22627.

It is an arithmetic number, because the mean of its divisors is an integer number (47368404).

Almost surely, 2^252578842 is an apocalyptic number.

252578842 is a deficient number, since it is larger than the sum of its proper divisors (126368390).

252578842 is a wasteful number, since it uses less digits than its factorization.

252578842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26324.

The product of its digits is 358400, while the sum is 43.

The square root of 252578842 is about 15892.7292181047. The cubic root of 252578842 is about 632.1192108752.

The spelling of 252578842 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, eight hundred forty-two".