2915191 has 2 divisors, whose sum is σ = 2915192. Its totient is φ = 2915190.

The previous prime is 2915173. The next prime is 2915201. The reversal of 2915191 is 1915192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2915191 - 2¹³ = 2906999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2915111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457595 + 1457596.

It is an arithmetic number, because the mean of its divisors is an integer number (1457596).

2^2915191 is an apocalyptic number.

2915191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915191 is an equidigital number, since it uses as much as digits as its factorization.

2915191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 28.

The square root of 2915191 is about 1707.3930420381. The cubic root of 2915191 is about 142.8528814443.

Subtracting from 2915191 its reverse (1915192), we obtain a palindrome (999999).

The spelling of 2915191 in words is "two million, nine hundred fifteen thousand, one hundred ninety-one".