2315553613 has 4 divisors (see below), whose sum is σ = 2316858460. Its totient is φ = 2314248768.

The previous prime is 2315553607. The next prime is 2315553659. The reversal of 2315553613 is 3163555132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081225924 + 1234327689 = 32882^2 + 35133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2315553613 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 (2315503613) 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, 649758 + ... + 653311.

It is an arithmetic number, because the mean of its divisors is an integer number (579214615).

Almost surely, 2^2315553613 is an apocalyptic number.

It is an amenable number.

2315553613 is a deficient number, since it is larger than the sum of its proper divisors (1304847).

2315553613 is a wasteful number, since it uses less digits than its factorization.

2315553613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304846.

The product of its digits is 40500, while the sum is 34.

The square root of 2315553613 is about 48120.1996359117. The cubic root of 2315553613 is about 1322.9749272860.

The spelling of 2315553613 in words is "two billion, three hundred fifteen million, five hundred fifty-three thousand, six hundred thirteen".