560945897 has 4 divisors (see below), whose sum is σ = 561207636. Its totient is φ = 560684160.

The previous prime is 560945849. The next prime is 560945929. The reversal of 560945897 is 798549065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798549065 = 5 ⋅159709813.

It can be written as a sum of positive squares in 2 ways, for example, as 382750096 + 178195801 = 19564^2 + 13349^2 .

It is a cyclic number.

It is not a de Polignac number, because 560945897 - 2¹⁰ = 560944873 is a prime.

It is a super-2 number, since 2×560945897² = 629320598722269218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (560944897) 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 in 3 ways as a sum of consecutive naturals, for example, 127628 + ... + 131949.

It is an arithmetic number, because the mean of its divisors is an integer number (140301909).

Almost surely, 2^560945897 is an apocalyptic number.

It is an amenable number.

560945897 is a deficient number, since it is larger than the sum of its proper divisors (261739).

560945897 is a wasteful number, since it uses less digits than its factorization.

560945897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261738.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 560945897 is about 23684.2964218910. The cubic root of 560945897 is about 824.7208836018.

The spelling of 560945897 in words is "five hundred sixty million, nine hundred forty-five thousand, eight hundred ninety-seven".