500131613 has 4 divisors (see below), whose sum is σ = 508608480. Its totient is φ = 491654748.

The previous prime is 500131609. The next prime is 500131633. The reversal of 500131613 is 316131005.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 500131613 - 2² = 500131609 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 (500131603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238345 + ... + 4238462.

It is an arithmetic number, because the mean of its divisors is an integer number (127152120).

Almost surely, 2^500131613 is an apocalyptic number.

It is an amenable number.

500131613 is a deficient number, since it is larger than the sum of its proper divisors (8476867).

500131613 is an equidigital number, since it uses as much as digits as its factorization.

500131613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476866.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 500131613 is about 22363.6225375050. The cubic root of 500131613 is about 793.7701607461.

Adding to 500131613 its reverse (316131005), we get a palindrome (816262618).

The spelling of 500131613 in words is "five hundred million, one hundred thirty-one thousand, six hundred thirteen".