506129713 has 4 divisors (see below), whose sum is σ = 506620708. Its totient is φ = 505638720.

The previous prime is 506129633. The next prime is 506129731. The reversal of 506129713 is 317921605.

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 461734144 + 44395569 = 21488^2 + 6663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506129713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506129773) 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, 243948 + ... + 246013.

It is an arithmetic number, because the mean of its divisors is an integer number (126655177).

Almost surely, 2^506129713 is an apocalyptic number.

It is an amenable number.

506129713 is a deficient number, since it is larger than the sum of its proper divisors (490995).

506129713 is a wasteful number, since it uses less digits than its factorization.

506129713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490994.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 506129713 is about 22497.3267967552. The cubic root of 506129713 is about 796.9307989183.

The spelling of 506129713 in words is "five hundred six million, one hundred twenty-nine thousand, seven hundred thirteen".