520230 has 16 divisors (see below), whose sum is σ = 1248624. Its totient is φ = 138720.

The previous prime is 520213. The next prime is 520241. The reversal of 520230 is 32025.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

520230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8641 + ... + 8700.

It is an arithmetic number, because the mean of its divisors is an integer number (78039).

2⁵²⁰²³⁰ is an apocalyptic number.

520230 is an abundant number, since it is smaller than the sum of its proper divisors (728394).

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

520230 is a wasteful number, since it uses less digits than its factorization.

520230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17351.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 520230 is about 721.2697137687. The cubic root of 520230 is about 80.4263694104.

Adding to 520230 its reverse (32025), we get a palindrome (552255).

The spelling of 520230 in words is "five hundred twenty thousand, two hundred thirty".