561511713 has 8 divisors (see below), whose sum is σ = 855636928. Its totient is φ = 320863824.

The previous prime is 561511703. The next prime is 561511721. The reversal of 561511713 is 317115165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561511713 - 2¹⁷ = 561380641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561511703) 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 7 ways as a sum of consecutive naturals, for example, 13369306 + ... + 13369347.

It is an arithmetic number, because the mean of its divisors is an integer number (106954616).

Almost surely, 2^561511713 is an apocalyptic number.

It is an amenable number.

561511713 is a deficient number, since it is larger than the sum of its proper divisors (294125215).

561511713 is a wasteful number, since it uses less digits than its factorization.

561511713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738663.

The product of its digits is 3150, while the sum is 30.

The square root of 561511713 is about 23696.2383723662. The cubic root of 561511713 is about 824.9980841094.

Adding to 561511713 its reverse (317115165), we get a palindrome (878626878).

The spelling of 561511713 in words is "five hundred sixty-one million, five hundred eleven thousand, seven hundred thirteen".