520006 has 4 divisors (see below), whose sum is σ = 780012. Its totient is φ = 260002.

The previous prime is 519997. The next prime is 520019. The reversal of 520006 is 600025.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 130000 + ... + 130003.

It is an arithmetic number, because the mean of its divisors is an integer number (195003).

2⁵²⁰⁰⁰⁶ is an apocalyptic number.

520006 is a deficient number, since it is larger than the sum of its proper divisors (260006).

520006 is a wasteful number, since it uses less digits than its factorization.

520006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260005.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 520006 is about 721.1144153323. The cubic root of 520006 is about 80.4148244572.

The spelling of 520006 in words is "five hundred twenty thousand, six".