253215528 has 16 divisors (see below), whose sum is σ = 633038880. Its totient is φ = 84405168.

The previous prime is 253215499. The next prime is 253215569. The reversal of 253215528 is 825512352.

253215528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 5275300 + ... + 5275347.

It is an arithmetic number, because the mean of its divisors is an integer number (39564930).

Almost surely, 2^253215528 is an apocalyptic number.

It is an amenable number.

253215528 is an abundant number, since it is smaller than the sum of its proper divisors (379823352).

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

253215528 is a wasteful number, since it uses less digits than its factorization.

253215528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550656 (or 10550652 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 253215528 is about 15912.7473429323. The cubic root of 253215528 is about 632.6499016150.

The spelling of 253215528 in words is "two hundred fifty-three million, two hundred fifteen thousand, five hundred twenty-eight".