253389264 has 20 divisors (see below), whose sum is σ = 654589056. Its totient is φ = 84463072.

The previous prime is 253389259. The next prime is 253389271. The reversal of 253389264 is 462983352.

253389264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253389264² = 128412238220923392, which contains 22 as substring.

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, 2639424 + ... + 2639519.

Almost surely, 2^253389264 is an apocalyptic number.

253389264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253389264 is an abundant number, since it is smaller than the sum of its proper divisors (401199792).

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

253389264 is a wasteful number, since it uses less digits than its factorization.

253389264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278954 (or 5278948 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 253389264 is about 15918.2054264920. The cubic root of 253389264 is about 632.7945595877.

The spelling of 253389264 in words is "two hundred fifty-three million, three hundred eighty-nine thousand, two hundred sixty-four".