500043513 has 4 divisors (see below), whose sum is σ = 666724688. Its totient is φ = 333362340.

The previous prime is 500043449. The next prime is 500043541. The reversal of 500043513 is 315340005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 500043513 - 2⁶ = 500043449 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 500043513.

It is not an unprimeable number, because it can be changed into a prime (500043613) 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, 83340583 + ... + 83340588.

It is an arithmetic number, because the mean of its divisors is an integer number (166681172).

Almost surely, 2^500043513 is an apocalyptic number.

It is an amenable number.

500043513 is a deficient number, since it is larger than the sum of its proper divisors (166681175).

500043513 is a wasteful number, since it uses less digits than its factorization.

500043513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166681174.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 500043513 is about 22361.6527340892. The cubic root of 500043513 is about 793.7235495102.

Adding to 500043513 its reverse (315340005), we get a palindrome (815383518).

The spelling of 500043513 in words is "five hundred million, forty-three thousand, five hundred thirteen".