2560705259 has 16 divisors (see below), whose sum is σ = 3143424000. Its totient is φ = 2079364392.

The previous prime is 2560705211. The next prime is 2560705267. The reversal of 2560705259 is 9525070652.

It is not a de Polignac number, because 2560705259 - 2⁸ = 2560705003 is a prime.

It is a super-2 number, since 2×2560705259² = 13114422846940514162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560705159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189947 + ... + 202980.

It is an arithmetic number, because the mean of its divisors is an integer number (196464000).

Almost surely, 2^2560705259 is an apocalyptic number.

2560705259 is a deficient number, since it is larger than the sum of its proper divisors (582718741).

2560705259 is an equidigital number, since it uses as much as digits as its factorization.

2560705259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392967 (or 392953 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 2560705259 is about 50603.4115351920. The cubic root of 2560705259 is about 1368.1063682994.

The spelling of 2560705259 in words is "two billion, five hundred sixty million, seven hundred five thousand, two hundred fifty-nine".