2560879285 has 8 divisors (see below), whose sum is σ = 3073763160. Its totient is φ = 2048231424.

The previous prime is 2560879267. The next prime is 2560879289. The reversal of 2560879285 is 5829780652.

It can be written as a sum of positive squares in 4 ways, for example, as 273935601 + 2286943684 = 16551^2 + 47822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2560879285 - 2⁷ = 2560879157 is a prime.

It is a super-2 number, since 2×2560879285² = 13116205424684222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560879289) 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 in 7 ways as a sum of consecutive naturals, for example, 34180 + ... + 79309.

It is an arithmetic number, because the mean of its divisors is an integer number (384220395).

Almost surely, 2^2560879285 is an apocalyptic number.

It is an amenable number.

2560879285 is a deficient number, since it is larger than the sum of its proper divisors (512883875).

2560879285 is a wasteful number, since it uses less digits than its factorization.

2560879285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118007.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 2560879285 is about 50605.1310145523. The cubic root of 2560879285 is about 1368.1373598508.

The spelling of 2560879285 in words is "two billion, five hundred sixty million, eight hundred seventy-nine thousand, two hundred eighty-five".