560856009 has 24 divisors (see below), whose sum is σ = 890139360. Its totient is φ = 313032384.

The previous prime is 560855963. The next prime is 560856011. The reversal of 560856009 is 900658065.

It is not a de Polignac number, because 560856009 - 2⁷ = 560855881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (560856019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38044 + ... + 50685.

It is an arithmetic number, because the mean of its divisors is an integer number (37089140).

Almost surely, 2^560856009 is an apocalyptic number.

It is an amenable number.

560856009 is a deficient number, since it is larger than the sum of its proper divisors (329283351).

560856009 is a wasteful number, since it uses less digits than its factorization.

560856009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88789 (or 88782 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 560856009 is about 23682.3987171908. The cubic root of 560856009 is about 824.6768291625.

The spelling of 560856009 in words is "five hundred sixty million, eight hundred fifty-six thousand, nine".