513992904 has 32 divisors (see below), whose sum is σ = 1296997920. Its totient is φ = 169728896.

The previous prime is 513992903. The next prime is 513992917. The reversal of 513992904 is 409299315.

It is not an unprimeable number, because it can be changed into a prime (513992903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97509 + ... + 102644.

It is an arithmetic number, because the mean of its divisors is an integer number (40531185).

Almost surely, 2^513992904 is an apocalyptic number.

It is an amenable number.

513992904 is an abundant number, since it is smaller than the sum of its proper divisors (783005016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513992904 is a wasteful number, since it uses less digits than its factorization.

513992904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200269 (or 200265 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 513992904 is about 22671.4116013979. The cubic root of 513992904 is about 801.0366270087.

The spelling of 513992904 in words is "five hundred thirteen million, nine hundred ninety-two thousand, nine hundred four".