253015928 has 32 divisors (see below), whose sum is σ = 518952960. Its totient is φ = 114691680.

The previous prime is 253015909. The next prime is 253015933. The reversal of 253015928 is 829510352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29951 + ... + 37457.

It is an arithmetic number, because the mean of its divisors is an integer number (16217280).

Almost surely, 2^253015928 is an apocalyptic number.

It is an amenable number.

253015928 is an abundant number, since it is smaller than the sum of its proper divisors (265937032).

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

253015928 is a wasteful number, since it uses less digits than its factorization.

253015928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 253015928 is about 15906.4744050968. The cubic root of 253015928 is about 632.4836267744.

The spelling of 253015928 in words is "two hundred fifty-three million, fifteen thousand, nine hundred twenty-eight".