2560705265 has 8 divisors (see below), whose sum is σ = 3075169920. Its totient is φ = 2047015152.

The previous prime is 2560705211. The next prime is 2560705267. The reversal of 2560705265 is 5625070652.

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 2560705265 - 2⁶ = 2560705201 is a prime.

It is a super-2 number, since 2×2560705265² = 13114422908397440450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2560705267) 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 in 7 ways as a sum of consecutive naturals, for example, 186335 + ... + 199604.

It is an arithmetic number, because the mean of its divisors is an integer number (384396240).

Almost surely, 2^2560705265 is an apocalyptic number.

It is an amenable number.

2560705265 is a deficient number, since it is larger than the sum of its proper divisors (514464655).

2560705265 is a wasteful number, since it uses less digits than its factorization.

2560705265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387271.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 2560705265 is about 50603.4115944765. The cubic root of 2560705265 is about 1368.1063693680.

The spelling of 2560705265 in words is "two billion, five hundred sixty million, seven hundred five thousand, two hundred sixty-five".