513150013 has 4 divisors (see below), whose sum is σ = 513232348. Its totient is φ = 513067680.

The previous prime is 513149953. The next prime is 513150031. The reversal of 513150013 is 310051315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143472484 + 369677529 = 11978^2 + 19227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513150013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513150713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30978 + ... + 44563.

It is an arithmetic number, because the mean of its divisors is an integer number (128308087).

Almost surely, 2^513150013 is an apocalyptic number.

It is an amenable number.

513150013 is a deficient number, since it is larger than the sum of its proper divisors (82335).

513150013 is an equidigital number, since it uses as much as digits as its factorization.

513150013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82334.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 513150013 is about 22652.8146816240. The cubic root of 513150013 is about 800.5985172139.

The spelling of 513150013 in words is "five hundred thirteen million, one hundred fifty thousand, thirteen".