2317091 has 4 divisors (see below), whose sum is σ = 2648112. Its totient is φ = 1986072.

The previous prime is 2317087. The next prime is 2317097. The reversal of 2317091 is 1907132.

2317091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2317091 - 2² = 2317087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2317097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165500 + ... + 165513.

It is an arithmetic number, because the mean of its divisors is an integer number (662028).

2^2317091 is an apocalyptic number.

2317091 is a deficient number, since it is larger than the sum of its proper divisors (331021).

2317091 is an equidigital number, since it uses as much as digits as its factorization.

2317091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331020.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2317091 is about 1522.1993956115. The cubic root of 2317091 is about 132.3267654185.

The spelling of 2317091 in words is "two million, three hundred seventeen thousand, ninety-one".