560975561 has 2 divisors, whose sum is σ = 560975562. Its totient is φ = 560975560.

The previous prime is 560975557. The next prime is 560975567. The reversal of 560975561 is 165579065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456036025 + 104939536 = 21355^2 + 10244^2 .

It is a cyclic number.

It is not a de Polignac number, because 560975561 - 2² = 560975557 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (560975567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280487780 + 280487781.

It is an arithmetic number, because the mean of its divisors is an integer number (280487781).

Almost surely, 2^560975561 is an apocalyptic number.

It is an amenable number.

560975561 is a deficient number, since it is larger than the sum of its proper divisors (1).

560975561 is an equidigital number, since it uses as much as digits as its factorization.

560975561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 560975561 is about 23684.9226513409. The cubic root of 560975561 is about 824.7354210044.

The spelling of 560975561 in words is "five hundred sixty million, nine hundred seventy-five thousand, five hundred sixty-one".