516520304 has 20 divisors (see below), whose sum is σ = 1001293800. Its totient is φ = 258121920.

The previous prime is 516520297. The next prime is 516520321. The reversal of 516520304 is 403025615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26522 + ... + 41670.

It is an arithmetic number, because the mean of its divisors is an integer number (50064690).

Almost surely, 2^516520304 is an apocalyptic number.

It is an amenable number.

516520304 is a deficient number, since it is larger than the sum of its proper divisors (484773496).

516520304 is a wasteful number, since it uses less digits than its factorization.

516520304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17288 (or 17282 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 516520304 is about 22727.0830508449. The cubic root of 516520304 is about 802.3474302270.

Adding to 516520304 its reverse (403025615), we get a palindrome (919545919).

The spelling of 516520304 in words is "five hundred sixteen million, five hundred twenty thousand, three hundred four".