2915131 has 4 divisors (see below), whose sum is σ = 2964600. Its totient is φ = 2865664.

The previous prime is 2915123. The next prime is 2915137. The reversal of 2915131 is 1315192.

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

It is a cyclic number.

It is not a de Polignac number, because 2915131 - 2³ = 2915123 is a prime.

It is a super-2 number, since 2×2915131² = 16995977494322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2915137) 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, 24646 + ... + 24763.

It is an arithmetic number, because the mean of its divisors is an integer number (741150).

2^2915131 is an apocalyptic number.

2915131 is a deficient number, since it is larger than the sum of its proper divisors (49469).

2915131 is an equidigital number, since it uses as much as digits as its factorization.

2915131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49468.

The product of its digits is 270, while the sum is 22.

The square root of 2915131 is about 1707.3754713009. The cubic root of 2915131 is about 142.8519013791.

The spelling of 2915131 in words is "two million, nine hundred fifteen thousand, one hundred thirty-one".