252345604 has 48 divisors (see below), whose sum is σ = 530611200. Its totient is φ = 102665376.

The previous prime is 252345589. The next prime is 252345619. The reversal of 252345604 is 406543252.

It is an interprime number because it is at equal distance from previous prime (252345589) and next prime (252345619).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88107 + ... + 90925.

It is an arithmetic number, because the mean of its divisors is an integer number (11054400).

Almost surely, 2^252345604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252345604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265305600).

252345604 is an abundant number, since it is smaller than the sum of its proper divisors (278265596).

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

252345604 is a wasteful number, since it uses less digits than its factorization.

252345604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 252345604 is about 15885.3896395398. The cubic root of 252345604 is about 631.9245790734.

Adding to 252345604 its reverse (406543252), we get a palindrome (658888856).

The spelling of 252345604 in words is "two hundred fifty-two million, three hundred forty-five thousand, six hundred four".