500513 has 4 divisors (see below), whose sum is σ = 539028. Its totient is φ = 462000.

The previous prime is 500509. The next prime is 500519. The reversal of 500513 is 315005.

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 222784 + 277729 = 472^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 500513 - 2² = 500509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500519) 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, 19238 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (134757).

2⁵⁰⁰⁵¹³ is an apocalyptic number.

It is an amenable number.

500513 is a deficient number, since it is larger than the sum of its proper divisors (38515).

500513 is a wasteful number, since it uses less digits than its factorization.

500513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38514.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 500513 is about 707.4694339687. The cubic root of 500513 is about 79.3971878782.

Adding to 500513 its reverse (315005), we get a palindrome (815518).

The spelling of 500513 in words is "five hundred thousand, five hundred thirteen".