2307391 has 2 divisors, whose sum is σ = 2307392. Its totient is φ = 2307390.

The previous prime is 2307377. The next prime is 2307397. The reversal of 2307391 is 1937032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2307391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2307397) 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, 1153695 + 1153696.

It is an arithmetic number, because the mean of its divisors is an integer number (1153696).

2^2307391 is an apocalyptic number.

2307391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2307391 is an equidigital number, since it uses as much as digits as its factorization.

2307391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2307391 is about 1519.0098748856. The cubic root of 2307391 is about 132.1418546934.

The spelling of 2307391 in words is "two million, three hundred seven thousand, three hundred ninety-one".