513204052 has 24 divisors (see below), whose sum is σ = 922321512. Its totient is φ = 249715200.

The previous prime is 513204047. The next prime is 513204053. The reversal of 513204052 is 250402315.

It can be written as a sum of positive squares in 4 ways, for example, as 125350416 + 387853636 = 11196^2 + 19694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513204053) 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, 65328 + ... + 72760.

It is an arithmetic number, because the mean of its divisors is an integer number (38430063).

Almost surely, 2^513204052 is an apocalyptic number.

It is an amenable number.

513204052 is a deficient number, since it is larger than the sum of its proper divisors (409117460).

513204052 is a wasteful number, since it uses less digits than its factorization.

513204052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899 (or 7897 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 513204052 is about 22654.0074159077. The cubic root of 513204052 is about 800.6266194736.

Adding to 513204052 its reverse (250402315), we get a palindrome (763606367).

The spelling of 513204052 in words is "five hundred thirteen million, two hundred four thousand, fifty-two".