2317979 has 2 divisors, whose sum is σ = 2317980. Its totient is φ = 2317978.

The previous prime is 2317957. The next prime is 2318003. The reversal of 2317979 is 9797132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2317979 - 2⁸ = 2317723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2317919) 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, 1158989 + 1158990.

It is an arithmetic number, because the mean of its divisors is an integer number (1158990).

2^2317979 is an apocalyptic number.

2317979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2317979 is an equidigital number, since it uses as much as digits as its factorization.

2317979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 38.

The square root of 2317979 is about 1522.4910508768. The cubic root of 2317979 is about 132.3436675255.

The spelling of 2317979 in words is "two million, three hundred seventeen thousand, nine hundred seventy-nine".