252217604 has 48 divisors (see below), whose sum is σ = 468840960. Its totient is φ = 118569600.

The previous prime is 252217577. The next prime is 252217639. The reversal of 252217604 is 406712252.

It is a happy number.

It is a super-2 number, since 2×252217604² = 127227439535001632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702377 + ... + 702735.

It is an arithmetic number, because the mean of its divisors is an integer number (9767520).

Almost surely, 2^252217604 is an apocalyptic number.

It is an amenable number.

252217604 is a deficient number, since it is larger than the sum of its proper divisors (216623356).

252217604 is a wasteful number, since it uses less digits than its factorization.

252217604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 252217604 is about 15881.3602691961. The cubic root of 252217604 is about 631.8177150147.

Adding to 252217604 its reverse (406712252), we get a palindrome (658929856).

The spelling of 252217604 in words is "two hundred fifty-two million, two hundred seventeen thousand, six hundred four".