560555509 has 2 divisors, whose sum is σ = 560555510. Its totient is φ = 560555508.

The previous prime is 560555491. The next prime is 560555549. The reversal of 560555509 is 905555065.

It is an a-pointer prime, because the next prime (560555549) can be obtained adding 560555509 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299636100 + 260919409 = 17310^2 + 16153^2 .

It is a cyclic number.

It is not a de Polignac number, because 560555509 - 2⁵ = 560555477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (560555549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280277754 + 280277755.

It is an arithmetic number, because the mean of its divisors is an integer number (280277755).

Almost surely, 2^560555509 is an apocalyptic number.

It is an amenable number.

560555509 is a deficient number, since it is larger than the sum of its proper divisors (1).

560555509 is an equidigital number, since it uses as much as digits as its factorization.

560555509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168750, while the sum is 40.

The square root of 560555509 is about 23676.0534929283. The cubic root of 560555509 is about 824.5295188279.

The spelling of 560555509 in words is "five hundred sixty million, five hundred fifty-five thousand, five hundred nine".