500129005 has 4 divisors (see below), whose sum is σ = 600154812. Its totient is φ = 400103200.

The previous prime is 500128999. The next prime is 500129027. The reversal of 500129005 is 500921005.

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 203290564 + 296838441 = 14258^2 + 17229^2 .

It is not a de Polignac number, because 500129005 - 2⁵ = 500128973 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50012896 + ... + 50012905.

It is an arithmetic number, because the mean of its divisors is an integer number (150038703).

Almost surely, 2^500129005 is an apocalyptic number.

It is an amenable number.

500129005 is a deficient number, since it is larger than the sum of its proper divisors (100025807).

500129005 is a wasteful number, since it uses less digits than its factorization.

500129005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100025806.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 500129005 is about 22363.5642284498. The cubic root of 500129005 is about 793.7687810052.

The spelling of 500129005 in words is "five hundred million, one hundred twenty-nine thousand, five".