513116444 has 24 divisors (see below), whose sum is σ = 926956800. Its totient is φ = 248342976.

The previous prime is 513116411. The next prime is 513116473. The reversal of 513116444 is 444611315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20357 + ... + 37955.

It is an arithmetic number, because the mean of its divisors is an integer number (38623200).

Almost surely, 2^513116444 is an apocalyptic number.

It is an amenable number.

513116444 is a deficient number, since it is larger than the sum of its proper divisors (413840356).

513116444 is a wasteful number, since it uses less digits than its factorization.

513116444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17837 (or 17835 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 513116444 is about 22652.0737240545. The cubic root of 513116444 is about 800.5810591107.

Adding to 513116444 its reverse (444611315), we get a palindrome (957727759).

The spelling of 513116444 in words is "five hundred thirteen million, one hundred sixteen thousand, four hundred forty-four".