3115291 has 2 divisors, whose sum is σ = 3115292. Its totient is φ = 3115290.

The previous prime is 3115279. The next prime is 3115319. The reversal of 3115291 is 1925113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3115291 - 2¹⁵ = 3082523 is a prime.

It is not a weakly prime, because it can be changed into another prime (3115201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557645 + 1557646.

It is an arithmetic number, because the mean of its divisors is an integer number (1557646).

Almost surely, 2^3115291 is an apocalyptic number.

3115291 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115291 is an equidigital number, since it uses as much as digits as its factorization.

3115291 is an evil number, because the sum of its binary digits is even.

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

The square root of 3115291 is about 1765.0186967848. The cubic root of 3115291 is about 146.0493202985.

The spelling of 3115291 in words is "three million, one hundred fifteen thousand, two hundred ninety-one".