2915091 has 6 divisors (see below), whose sum is σ = 4210700. Its totient is φ = 1943388.

The previous prime is 2915071. The next prime is 2915093. The reversal of 2915091 is 1905192.

It is a happy number.

It is not a de Polignac number, because 2915091 - 2⁶ = 2915027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2915093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161941 + ... + 161958.

2^2915091 is an apocalyptic number.

2915091 is a deficient number, since it is larger than the sum of its proper divisors (1295609).

2915091 is a wasteful number, since it uses less digits than its factorization.

2915091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323905 (or 323902 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2915091 is about 1707.3637573757. The cubic root of 2915091 is about 142.8512479949.

It can be divided in two parts, 29150 and 91, that added together give a square (29241 = 171²).

The spelling of 2915091 in words is "two million, nine hundred fifteen thousand, ninety-one".