561524313 has 16 divisors (see below), whose sum is σ = 857999360. Its totient is φ = 319992336.

The previous prime is 561524287. The next prime is 561524357. The reversal of 561524313 is 313425165.

It is not a de Polignac number, because 561524313 - 2⁵ = 561524281 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 (561524363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28723 + ... + 44136.

It is an arithmetic number, because the mean of its divisors is an integer number (53624960).

Almost surely, 2^561524313 is an apocalyptic number.

It is an amenable number.

561524313 is a deficient number, since it is larger than the sum of its proper divisors (296475047).

561524313 is a wasteful number, since it uses less digits than its factorization.

561524313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73236.

The product of its digits is 10800, while the sum is 30.

The square root of 561524313 is about 23696.5042358572. The cubic root of 561524313 is about 825.0042548908.

Adding to 561524313 its reverse (313425165), we get a palindrome (874949478).

The spelling of 561524313 in words is "five hundred sixty-one million, five hundred twenty-four thousand, three hundred thirteen".