560644417 has 4 divisors (see below), whose sum is σ = 560997076. Its totient is φ = 560291760.

The previous prime is 560644391. The next prime is 560644429. The reversal of 560644417 is 714446065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320983056 + 239661361 = 17916^2 + 15481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-560644417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60644417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173934 + ... + 177127.

It is an arithmetic number, because the mean of its divisors is an integer number (140249269).

Almost surely, 2^560644417 is an apocalyptic number.

It is an amenable number.

560644417 is a deficient number, since it is larger than the sum of its proper divisors (352659).

560644417 is a wasteful number, since it uses less digits than its factorization.

560644417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352658.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 560644417 is about 23677.9310118093. The cubic root of 560644417 is about 824.5731085610.

The spelling of 560644417 in words is "five hundred sixty million, six hundred forty-four thousand, four hundred seventeen".