252381834 has 24 divisors (see below), whose sum is σ = 547372800. Its totient is φ = 84043368.

The previous prime is 252381823. The next prime is 252381841. The reversal of 252381834 is 438183252.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13117 + ... + 26015.

It is an arithmetic number, because the mean of its divisors is an integer number (22807200).

Almost surely, 2^252381834 is an apocalyptic number.

252381834 is an abundant number, since it is smaller than the sum of its proper divisors (294990966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252381834 is a wasteful number, since it uses less digits than its factorization.

252381834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13994 (or 13991 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 252381834 is about 15886.5299546503. The cubic root of 252381834 is about 631.9548200491.

It can be divided in two parts, 25238 and 1834, that added together give a palindrome (27072).

The spelling of 252381834 in words is "two hundred fifty-two million, three hundred eighty-one thousand, eight hundred thirty-four".