500125013 has 4 divisors (see below), whose sum is σ = 509561388. Its totient is φ = 490688640.

The previous prime is 500125001. The next prime is 500125037. The reversal of 500125013 is 310521005.

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 164429329 + 335695684 = 12823^2 + 18322^2 .

It is a cyclic number.

It is not a de Polignac number, because 500125013 - 2¹⁰ = 500123989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500124982 and 500125000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500125513) 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, 4718108 + ... + 4718213.

It is an arithmetic number, because the mean of its divisors is an integer number (127390347).

Almost surely, 2^500125013 is an apocalyptic number.

500125013 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

500125013 is a deficient number, since it is larger than the sum of its proper divisors (9436375).

500125013 is an equidigital number, since it uses as much as digits as its factorization.

500125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436374.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 500125013 is about 22363.4749759513. The cubic root of 500125013 is about 793.7666690611.

Adding to 500125013 its reverse (310521005), we get a palindrome (810646018).

The spelling of 500125013 in words is "five hundred million, one hundred twenty-five thousand, thirteen".