520005 has 8 divisors (see below), whose sum is σ = 832032. Its totient is φ = 277328.

The previous prime is 519997. The next prime is 520019. The reversal of 520005 is 500025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520005 - 2³ = 519997 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17319 + ... + 17348.

It is an arithmetic number, because the mean of its divisors is an integer number (104004).

2⁵²⁰⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

520005 is a deficient number, since it is larger than the sum of its proper divisors (312027).

520005 is a wasteful number, since it uses less digits than its factorization.

520005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34675.

The product of its (nonzero) digits is 50, while the sum is 12.

The square root of 520005 is about 721.1137219607. The cubic root of 520005 is about 80.4147729098.

The spelling of 520005 in words is "five hundred twenty thousand, five".