2915491 has 2 divisors, whose sum is σ = 2915492. Its totient is φ = 2915490.

The previous prime is 2915467. The next prime is 2915501. The reversal of 2915491 is 1945192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2915491 - 2⁹ = 2914979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2915431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457745 + 1457746.

It is an arithmetic number, because the mean of its divisors is an integer number (1457746).

2^2915491 is an apocalyptic number.

2915491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915491 is an equidigital number, since it uses as much as digits as its factorization.

2915491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 31.

The square root of 2915491 is about 1707.4808930117. The cubic root of 2915491 is about 142.8577815686.

Subtracting from 2915491 its reverse (1945192), we obtain a cube (970299 = 99³).

The spelling of 2915491 in words is "two million, nine hundred fifteen thousand, four hundred ninety-one".