2564459 has 2 divisors, whose sum is σ = 2564460. Its totient is φ = 2564458.

The previous prime is 2564447. The next prime is 2564489. The reversal of 2564459 is 9544652.

It is a happy number.

2564459 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 2564459 - 2⁸ = 2564203 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁹ + 5⁵ + 6⁷ + 4⁸ + 4⁹ + 5⁹ + 9² .

It is not a weakly prime, because it can be changed into another prime (2564489) 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, 1282229 + 1282230.

It is an arithmetic number, because the mean of its divisors is an integer number (1282230).

2^2564459 is an apocalyptic number.

2564459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564459 is an equidigital number, since it uses as much as digits as its factorization.

2564459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 2564459 is about 1601.3928312566. The cubic root of 2564459 is about 136.8774544850.

The spelling of 2564459 in words is "two million, five hundred sixty-four thousand, four hundred fifty-nine".