560322989 has 2 divisors, whose sum is σ = 560322990. Its totient is φ = 560322988.

The previous prime is 560322937. The next prime is 560323019. The reversal of 560322989 is 989223065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554838025 + 5484964 = 23555^2 + 2342^2 .

It is a cyclic number.

It is not a de Polignac number, because 560322989 - 2⁸ = 560322733 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (560322929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280161494 + 280161495.

It is an arithmetic number, because the mean of its divisors is an integer number (280161495).

Almost surely, 2^560322989 is an apocalyptic number.

It is an amenable number.

560322989 is a deficient number, since it is larger than the sum of its proper divisors (1).

560322989 is an equidigital number, since it uses as much as digits as its factorization.

560322989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 560322989 is about 23671.1425368528. The cubic root of 560322989 is about 824.4154973406.

The spelling of 560322989 in words is "five hundred sixty million, three hundred twenty-two thousand, nine hundred eighty-nine".