7115313 has 4 divisors (see below), whose sum is σ = 9487088. Its totient is φ = 4743540.

The previous prime is 7115309. The next prime is 7115327. The reversal of 7115313 is 3135117.

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 not a de Polignac number, because 7115313 - 2² = 7115309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7115313.

It is not an unprimeable number, because it can be changed into a prime (7115363) 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, 1185883 + ... + 1185888.

It is an arithmetic number, because the mean of its divisors is an integer number (2371772).

Almost surely, 2^7115313 is an apocalyptic number.

It is an amenable number.

7115313 is a deficient number, since it is larger than the sum of its proper divisors (2371775).

7115313 is a wasteful number, since it uses less digits than its factorization.

7115313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371774.

The product of its digits is 315, while the sum is 21.

The square root of 7115313 is about 2667.4544044838. The cubic root of 7115313 is about 192.3378113277.

The spelling of 7115313 in words is "seven million, one hundred fifteen thousand, three hundred thirteen".