2568697 has 2 divisors, whose sum is σ = 2568698. Its totient is φ = 2568696.

The previous prime is 2568689. The next prime is 2568701. The reversal of 2568697 is 7968652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1692601 + 876096 = 1301^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568697 - 2³ = 2568689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2568197) 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, 1284348 + 1284349.

It is an arithmetic number, because the mean of its divisors is an integer number (1284349).

2^2568697 is an apocalyptic number.

It is an amenable number.

2568697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568697 is an equidigital number, since it uses as much as digits as its factorization.

2568697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 2568697 is about 1602.7155081299. The cubic root of 2568697 is about 136.9528137709.

The spelling of 2568697 in words is "two million, five hundred sixty-eight thousand, six hundred ninety-seven".