513207204 has 12 divisors (see below), whose sum is σ = 1197483504. Its totient is φ = 171069064.

The previous prime is 513207187. The next prime is 513207217. The reversal of 513207204 is 402702315.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21383622 + ... + 21383645.

It is an arithmetic number, because the mean of its divisors is an integer number (99790292).

Almost surely, 2^513207204 is an apocalyptic number.

It is an amenable number.

513207204 is an abundant number, since it is smaller than the sum of its proper divisors (684276300).

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

513207204 is a wasteful number, since it uses less digits than its factorization.

513207204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42767274 (or 42767272 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 513207204 is about 22654.0769840662. The cubic root of 513207204 is about 800.6282585681.

Adding to 513207204 its reverse (402702315), we get a palindrome (915909519).

The spelling of 513207204 in words is "five hundred thirteen million, two hundred seven thousand, two hundred four".