2564279 has 2 divisors, whose sum is σ = 2564280. Its totient is φ = 2564278.

The previous prime is 2564251. The next prime is 2564321. The reversal of 2564279 is 9724652.

2564279 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 a de Polignac number, because none of the positive numbers 2^k-2564279 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 5 + 6⁸ + 4² + 2¹¹ + 7⁷ + 9⁵ .

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564249) 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, 1282139 + 1282140.

It is an arithmetic number, because the mean of its divisors is an integer number (1282140).

2^2564279 is an apocalyptic number.

2564279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564279 is an equidigital number, since it uses as much as digits as its factorization.

2564279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 2564279 is about 1601.3366291945. The cubic root of 2564279 is about 136.8742519228.

The spelling of 2564279 in words is "two million, five hundred sixty-four thousand, two hundred seventy-nine".