513000521 has 8 divisors (see below), whose sum is σ = 560100000. Its totient is φ = 465978240.

The previous prime is 513000511. The next prime is 513000529. The reversal of 513000521 is 125000315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513000521 - 2¹⁴ = 512984137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513000521.

It is not an unprimeable number, because it can be changed into a prime (513000529) 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, 4931 + ... + 32408.

It is an arithmetic number, because the mean of its divisors is an integer number (70012500).

Almost surely, 2^513000521 is an apocalyptic number.

It is an amenable number.

513000521 is a deficient number, since it is larger than the sum of its proper divisors (47099479).

513000521 is a wasteful number, since it uses less digits than its factorization.

513000521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38599.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 513000521 is about 22649.5148071653. The cubic root of 513000521 is about 800.5207656179.

Adding to 513000521 its reverse (125000315), we get a palindrome (638000836).

The spelling of 513000521 in words is "five hundred thirteen million, five hundred twenty-one", and thus it is an aban number.