561113317 has 2 divisors, whose sum is σ = 561113318. Its totient is φ = 561113316.

The previous prime is 561113291. The next prime is 561113323. The reversal of 561113317 is 713311165.

561113317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 523768996 + 37344321 = 22886^2 + 6111^2 .

It is a cyclic number.

It is not a de Polignac number, because 561113317 - 2¹⁵ = 561080549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561113617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280556658 + 280556659.

It is an arithmetic number, because the mean of its divisors is an integer number (280556659).

Almost surely, 2^561113317 is an apocalyptic number.

It is an amenable number.

561113317 is a deficient number, since it is larger than the sum of its proper divisors (1).

561113317 is an equidigital number, since it uses as much as digits as its factorization.

561113317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 28.

The square root of 561113317 is about 23687.8305676142. The cubic root of 561113317 is about 824.8029242150.

The spelling of 561113317 in words is "five hundred sixty-one million, one hundred thirteen thousand, three hundred seventeen".