2591579 has 2 divisors, whose sum is σ = 2591580. Its totient is φ = 2591578.

The previous prime is 2591551. The next prime is 2591587. The reversal of 2591579 is 9751952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2591579 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 (2591539) 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, 1295789 + 1295790.

It is an arithmetic number, because the mean of its divisors is an integer number (1295790).

2^2591579 is an apocalyptic number.

2591579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591579 is an equidigital number, since it uses as much as digits as its factorization.

2591579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 38.

The square root of 2591579 is about 1609.8381906266. The cubic root of 2591579 is about 137.3582715942.

The spelling of 2591579 in words is "two million, five hundred ninety-one thousand, five hundred seventy-nine".