500305213 has 4 divisors (see below), whose sum is σ = 509744988. Its totient is φ = 490865440.

The previous prime is 500305181. The next prime is 500305219. The reversal of 500305213 is 312503005.

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 316377369 + 183927844 = 17787^2 + 13562^2 .

It is a cyclic number.

It is not a de Polignac number, because 500305213 - 2⁵ = 500305181 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 (500305219) 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, 4719808 + ... + 4719913.

It is an arithmetic number, because the mean of its divisors is an integer number (127436247).

Almost surely, 2^500305213 is an apocalyptic number.

500305213 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

500305213 is a deficient number, since it is larger than the sum of its proper divisors (9439775).

500305213 is an equidigital number, since it uses as much as digits as its factorization.

500305213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439774.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 500305213 is about 22367.5035039675. The cubic root of 500305213 is about 793.8619916134.

Adding to 500305213 its reverse (312503005), we get a palindrome (812808218).

The spelling of 500305213 in words is "five hundred million, three hundred five thousand, two hundred thirteen".