561134717 has 24 divisors (see below), whose sum is σ = 687189720. Its totient is φ = 454608000.

The previous prime is 561134699. The next prime is 561134719. The reversal of 561134717 is 717431165.

It can be written as a sum of positive squares in 4 ways, for example, as 10106041 + 551028676 = 3179^2 + 23474^2 .

It is not a de Polignac number, because 561134717 - 2⁸ = 561134461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561134719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39467 + ... + 51767.

It is an arithmetic number, because the mean of its divisors is an integer number (28632905).

Almost surely, 2^561134717 is an apocalyptic number.

It is an amenable number.

561134717 is a deficient number, since it is larger than the sum of its proper divisors (126055003).

561134717 is a wasteful number, since it uses less digits than its factorization.

561134717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12365 (or 12354 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 561134717 is about 23688.2822720433. The cubic root of 561134717 is about 824.8134096539.

The spelling of 561134717 in words is "five hundred sixty-one million, one hundred thirty-four thousand, seven hundred seventeen".