2320091 has 2 divisors, whose sum is σ = 2320092. Its totient is φ = 2320090.

The previous prime is 2320063. The next prime is 2320111. The reversal of 2320091 is 1900232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2320091 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2320001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160045 + 1160046.

It is an arithmetic number, because the mean of its divisors is an integer number (1160046).

2^2320091 is an apocalyptic number.

2320091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320091 is an equidigital number, since it uses as much as digits as its factorization.

2320091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2320091 is about 1523.1844930933. The cubic root of 2320091 is about 132.3838497961.

The spelling of 2320091 in words is "two million, three hundred twenty thousand, ninety-one".