561760117 has 2 divisors, whose sum is σ = 561760118. Its totient is φ = 561760116.

The previous prime is 561760097. The next prime is 561760123. The reversal of 561760117 is 711067165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373494276 + 188265841 = 19326^2 + 13721^2 .

It is a cyclic number.

It is not a de Polignac number, because 561760117 - 2¹⁵ = 561727349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561760187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280880058 + 280880059.

It is an arithmetic number, because the mean of its divisors is an integer number (280880059).

Almost surely, 2^561760117 is an apocalyptic number.

It is an amenable number.

561760117 is a deficient number, since it is larger than the sum of its proper divisors (1).

561760117 is an equidigital number, since it uses as much as digits as its factorization.

561760117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 561760117 is about 23701.4792154414. The cubic root of 561760117 is about 825.1197215909.

The spelling of 561760117 in words is "five hundred sixty-one million, seven hundred sixty thousand, one hundred seventeen".