560645663 has 2 divisors, whose sum is σ = 560645664. Its totient is φ = 560645662.

The previous prime is 560645651. The next prime is 560645681. The reversal of 560645663 is 366546065.

It is a happy number.

560645663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 560645663 - 2¹⁰ = 560644639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 560645663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (560645963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280322831 + 280322832.

It is an arithmetic number, because the mean of its divisors is an integer number (280322832).

Almost surely, 2^560645663 is an apocalyptic number.

560645663 is a deficient number, since it is larger than the sum of its proper divisors (1).

560645663 is an equidigital number, since it uses as much as digits as its factorization.

560645663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 560645663 is about 23677.9573232152. The cubic root of 560645663 is about 824.5737194160.

The spelling of 560645663 in words is "five hundred sixty million, six hundred forty-five thousand, six hundred sixty-three".