513605516 has 12 divisors (see below), whose sum is σ = 911122632. Its totient is φ = 253284768.

The previous prime is 513605507. The next prime is 513605531. The reversal of 513605516 is 615506315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879170 + ... + 879753.

It is an arithmetic number, because the mean of its divisors is an integer number (75926886).

Almost surely, 2^513605516 is an apocalyptic number.

It is an amenable number.

513605516 is a deficient number, since it is larger than the sum of its proper divisors (397517116).

513605516 is a wasteful number, since it uses less digits than its factorization.

513605516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759000 (or 1758998 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 513605516 is about 22662.8664559451. The cubic root of 513605516 is about 800.8353337184.

The spelling of 513605516 in words is "five hundred thirteen million, six hundred five thousand, five hundred sixteen".