2566279 has 2 divisors, whose sum is σ = 2566280. Its totient is φ = 2566278.

The previous prime is 2566261. The next prime is 2566307. The reversal of 2566279 is 9726652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566279 - 2²¹ = 469127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283139 + 1283140.

It is an arithmetic number, because the mean of its divisors is an integer number (1283140).

2^2566279 is an apocalyptic number.

2566279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566279 is an equidigital number, since it uses as much as digits as its factorization.

2566279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 2566279 is about 1601.9609857921. The cubic root of 2566279 is about 136.9098275323.

The spelling of 2566279 in words is "two million, five hundred sixty-six thousand, two hundred seventy-nine".