520024 has 8 divisors (see below), whose sum is σ = 975060. Its totient is φ = 260008.

The previous prime is 520021. The next prime is 520031. The reversal of 520024 is 420025.

It is a happy number.

520024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 519986 and 520013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520021) 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 as a sum of consecutive naturals, namely, 32494 + ... + 32509.

2⁵²⁰⁰²⁴ is an apocalyptic number.

It is an amenable number.

520024 is a deficient number, since it is larger than the sum of its proper divisors (455036).

520024 is a wasteful number, since it uses less digits than its factorization.

520024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65009 (or 65005 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 520024 is about 721.1268959067. The cubic root of 520024 is about 80.4157522991.

Adding to 520024 its reverse (420025), we get a palindrome (940049).

Subtracting from 520024 its reverse (420025), we obtain a palindrome (99999).

The spelling of 520024 in words is "five hundred twenty thousand, twenty-four".