2570639 has 2 divisors, whose sum is σ = 2570640. Its totient is φ = 2570638.

The previous prime is 2570627. The next prime is 2570651. The reversal of 2570639 is 9360752.

It is a balanced prime because it is at equal distance from previous prime (2570627) and next prime (2570651).

It is a cyclic number.

It is not a de Polignac number, because 2570639 - 2²⁰ = 1522063 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 (2570609) 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, 1285319 + 1285320.

It is an arithmetic number, because the mean of its divisors is an integer number (1285320).

2^2570639 is an apocalyptic number.

2570639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2570639 is an equidigital number, since it uses as much as digits as its factorization.

2570639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2570639 is about 1603.3212404256. The cubic root of 2570639 is about 136.9873183424.

The spelling of 2570639 in words is "two million, five hundred seventy thousand, six hundred thirty-nine".