500921713 has 4 divisors (see below), whose sum is σ = 501425140. Its totient is φ = 500418288.

The previous prime is 500921621. The next prime is 500921737. The reversal of 500921713 is 317129005.

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 389154529 + 111767184 = 19727^2 + 10572^2 .

It is a cyclic number.

It is not a de Polignac number, because 500921713 - 2¹³ = 500913521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500925713) 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, 250218 + ... + 252211.

It is an arithmetic number, because the mean of its divisors is an integer number (125356285).

Almost surely, 2^500921713 is an apocalyptic number.

It is an amenable number.

500921713 is a deficient number, since it is larger than the sum of its proper divisors (503427).

500921713 is an equidigital number, since it uses as much as digits as its factorization.

500921713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503426.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 500921713 is about 22381.2804146680. The cubic root of 500921713 is about 794.1879360005.

The spelling of 500921713 in words is "five hundred million, nine hundred twenty-one thousand, seven hundred thirteen".