253112304 has 20 divisors (see below), whose sum is σ = 653873576. Its totient is φ = 84370752.

The previous prime is 253112297. The next prime is 253112329. The reversal of 253112304 is 403211352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636539 + ... + 2636634.

Almost surely, 2^253112304 is an apocalyptic number.

253112304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253112304 is an abundant number, since it is smaller than the sum of its proper divisors (400761272).

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

253112304 is a wasteful number, since it uses less digits than its factorization.

253112304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273184 (or 5273178 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253112304 is about 15909.5035749077. The cubic root of 253112304 is about 632.5639227786.

Adding to 253112304 its reverse (403211352), we get a palindrome (656323656).

The spelling of 253112304 in words is "two hundred fifty-three million, one hundred twelve thousand, three hundred four".