253251764 has 12 divisors (see below), whose sum is σ = 446126688. Its totient is φ = 125787000.

The previous prime is 253251763. The next prime is 253251821. The reversal of 253251764 is 467152352.

It is a super-2 number, since 2×253251764² = 128272911938223392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253251763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209042 + ... + 210249.

It is an arithmetic number, because the mean of its divisors is an integer number (37177224).

Almost surely, 2^253251764 is an apocalyptic number.

It is an amenable number.

253251764 is a deficient number, since it is larger than the sum of its proper divisors (192874924).

253251764 is a wasteful number, since it uses less digits than its factorization.

253251764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419446 (or 419444 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 253251764 is about 15913.8858862316. The cubic root of 253251764 is about 632.6800782904.

The spelling of 253251764 in words is "two hundred fifty-three million, two hundred fifty-one thousand, seven hundred sixty-four".