253913513 has 32 divisors (see below), whose sum is σ = 316514304. Its totient is φ = 198761472.

The previous prime is 253913483. The next prime is 253913519. The reversal of 253913513 is 315319352.

253913513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253913513 - 2⁶ = 253913449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253913513.

It is not an unprimeable number, because it can be changed into a prime (253913519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800831 + ... + 801147.

It is an arithmetic number, because the mean of its divisors is an integer number (9891072).

Almost surely, 2^253913513 is an apocalyptic number.

It is an amenable number.

253913513 is a deficient number, since it is larger than the sum of its proper divisors (62600791).

253913513 is a wasteful number, since it uses less digits than its factorization.

253913513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 12150, while the sum is 32.

The square root of 253913513 is about 15934.6638809860. The cubic root of 253913513 is about 633.2306651366.

The spelling of 253913513 in words is "two hundred fifty-three million, nine hundred thirteen thousand, five hundred thirteen".