560979217 has 2 divisors, whose sum is σ = 560979218. Its totient is φ = 560979216.

The previous prime is 560979197. The next prime is 560979229. The reversal of 560979217 is 712979065.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353590416 + 207388801 = 18804^2 + 14401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-560979217 is a prime.

It is not a weakly prime, because it can be changed into another prime (560979817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280489608 + 280489609.

It is an arithmetic number, because the mean of its divisors is an integer number (280489609).

Almost surely, 2^560979217 is an apocalyptic number.

It is an amenable number.

560979217 is a deficient number, since it is larger than the sum of its proper divisors (1).

560979217 is an equidigital number, since it uses as much as digits as its factorization.

560979217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 560979217 is about 23684.9998311167. Note that the first 3 decimals coincide. The cubic root of 560979217 is about 824.7372126607.

The spelling of 560979217 in words is "five hundred sixty million, nine hundred seventy-nine thousand, two hundred seventeen".