2560845239 has 2 divisors, whose sum is σ = 2560845240. Its totient is φ = 2560845238.

The previous prime is 2560845197. The next prime is 2560845293. The reversal of 2560845239 is 9325480652.

Together with next prime (2560845293) 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 2560845239 - 2²⁸ = 2292409783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2560845239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560848239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280422619 + 1280422620.

It is an arithmetic number, because the mean of its divisors is an integer number (1280422620).

Almost surely, 2^2560845239 is an apocalyptic number.

2560845239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560845239 is an equidigital number, since it uses as much as digits as its factorization.

2560845239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2560845239 is about 50604.7946246203. The cubic root of 2560845239 is about 1368.1312968537.

The spelling of 2560845239 in words is "two billion, five hundred sixty million, eight hundred forty-five thousand, two hundred thirty-nine".