252431893 has 8 divisors (see below), whose sum is σ = 289560320. Its totient is φ = 215570160.

The previous prime is 252431873. The next prime is 252431941. The reversal of 252431893 is 398134252.

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

It is a cyclic number.

It is not a de Polignac number, because 252431893 - 2¹⁷ = 252300821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252431833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64638 + ... + 68431.

It is an arithmetic number, because the mean of its divisors is an integer number (36195040).

Almost surely, 2^252431893 is an apocalyptic number.

It is an amenable number.

252431893 is a deficient number, since it is larger than the sum of its proper divisors (37128427).

252431893 is a wasteful number, since it uses less digits than its factorization.

252431893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133347.

The product of its digits is 51840, while the sum is 37.

The square root of 252431893 is about 15888.1053936585. The cubic root of 252431893 is about 631.9965992513.

The spelling of 252431893 in words is "two hundred fifty-two million, four hundred thirty-one thousand, eight hundred ninety-three".