2560566530 has 8 divisors (see below), whose sum is σ = 4609019772. Its totient is φ = 1024226608.

The previous prime is 2560566529. The next prime is 2560566557. The reversal of 2560566530 is 356650652.

It can be written as a sum of positive squares in 2 ways, for example, as 2559449281 + 1117249 = 50591^2 + 1057^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 128028317 + ... + 128028336.

Almost surely, 2^2560566530 is an apocalyptic number.

2560566530 is a deficient number, since it is larger than the sum of its proper divisors (2048453242).

2560566530 is a wasteful number, since it uses less digits than its factorization.

2560566530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256056660.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 2560566530 is about 50602.0407691231. The cubic root of 2560566530 is about 1368.0816616351.

The spelling of 2560566530 in words is "two billion, five hundred sixty million, five hundred sixty-six thousand, five hundred thirty".