253653013 has 4 divisors (see below), whose sum is σ = 254183040. Its totient is φ = 253122988.

The previous prime is 253653011. The next prime is 253653041. The reversal of 253653013 is 310356352.

253653013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253653013 - 2¹ = 253653011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253653011) 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, 264295 + ... + 265252.

It is an arithmetic number, because the mean of its divisors is an integer number (63545760).

Almost surely, 2^253653013 is an apocalyptic number.

It is an amenable number.

253653013 is a deficient number, since it is larger than the sum of its proper divisors (530027).

253653013 is an equidigital number, since it uses as much as digits as its factorization.

253653013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530026.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 253653013 is about 15926.4877797963. The cubic root of 253653013 is about 633.0140388395.

The spelling of 253653013 in words is "two hundred fifty-three million, six hundred fifty-three thousand, thirteen".