520485 has 16 divisors (see below), whose sum is σ = 951936. Its totient is φ = 237888.

The previous prime is 520451. The next prime is 520529. The reversal of 520485 is 584025.

520485 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 520485 - 2⁷ = 520357 is a prime.

520485 is strictly pandigital in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (59496).

2⁵²⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

520485 is a deficient number, since it is larger than the sum of its proper divisors (431451).

520485 is a wasteful number, since it uses less digits than its factorization.

520485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 520485 is about 721.4464637102. The cubic root of 520485 is about 80.4395080697.

The spelling of 520485 in words is "five hundred twenty thousand, four hundred eighty-five".