2566679 has 2 divisors, whose sum is σ = 2566680. Its totient is φ = 2566678.

The previous prime is 2566673. The next prime is 2566687. The reversal of 2566679 is 9766652.

2566679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566679 - 2⁸ = 2566423 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283339 + 1283340.

It is an arithmetic number, because the mean of its divisors is an integer number (1283340).

2^2566679 is an apocalyptic number.

2566679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566679 is an equidigital number, since it uses as much as digits as its factorization.

2566679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 2566679 is about 1602.0858279131. The cubic root of 2566679 is about 136.9169404360.

The spelling of 2566679 in words is "two million, five hundred sixty-six thousand, six hundred seventy-nine".