2597279 has 2 divisors, whose sum is σ = 2597280. Its totient is φ = 2597278.

The previous prime is 2597263. The next prime is 2597297. The reversal of 2597279 is 9727952.

It is a happy number.

Together with next prime (2597297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2597279 - 2⁴ = 2597263 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁹ + 9² + 7 + 2¹⁹ + 7⁶ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2597299) 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, 1298639 + 1298640.

It is an arithmetic number, because the mean of its divisors is an integer number (1298640).

2^2597279 is an apocalyptic number.

2597279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2597279 is an equidigital number, since it uses as much as digits as its factorization.

2597279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 2597279 is about 1611.6075825088. The cubic root of 2597279 is about 137.4589012154.

The spelling of 2597279 in words is "two million, five hundred ninety-seven thousand, two hundred seventy-nine".