520104 has 32 divisors (see below), whose sum is σ = 1401120. Its totient is φ = 159936.

The previous prime is 520103. The next prime is 520111. The reversal of 520104 is 401025.

520104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 520104.

It is not an unprimeable number, because it can be changed into a prime (520103) by changing a digit.

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, 522 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (43785).

2⁵²⁰¹⁰⁴ is an apocalyptic number.

It is an amenable number.

520104 is an abundant number, since it is smaller than the sum of its proper divisors (881016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520104 is a wasteful number, since it uses less digits than its factorization.

520104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 520104 is about 721.1823625131. The cubic root of 520104 is about 80.4198757821.

Adding to 520104 its reverse (401025), we get a palindrome (921129).

The spelling of 520104 in words is "five hundred twenty thousand, one hundred four".