252415604 has 24 divisors (see below), whose sum is σ = 511750848. Its totient is φ = 106695360.

The previous prime is 252415573. The next prime is 252415607. The reversal of 252415604 is 406514252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252415607) 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, 59702 + ... + 63789.

It is an arithmetic number, because the mean of its divisors is an integer number (21322952).

Almost surely, 2^252415604 is an apocalyptic number.

It is an amenable number.

252415604 is an abundant number, since it is smaller than the sum of its proper divisors (259335244).

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

252415604 is a wasteful number, since it uses less digits than its factorization.

252415604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123575 (or 123573 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 252415604 is about 15887.5927692020. The cubic root of 252415604 is about 631.9830050710.

Adding to 252415604 its reverse (406514252), we get a palindrome (658929856).

The spelling of 252415604 in words is "two hundred fifty-two million, four hundred fifteen thousand, six hundred four".