520235 has 4 divisors (see below), whose sum is σ = 624288. Its totient is φ = 416184.

The previous prime is 520213. The next prime is 520241. The reversal of 520235 is 532025.

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

It is a cyclic number.

It is not a de Polignac number, because 520235 - 2¹⁴ = 503851 is a prime.

It is an Ulam number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 52019 + ... + 52028.

It is an arithmetic number, because the mean of its divisors is an integer number (156072).

2⁵²⁰²³⁵ is an apocalyptic number.

520235 is a deficient number, since it is larger than the sum of its proper divisors (104053).

520235 is a wasteful number, since it uses less digits than its factorization.

520235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104052.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 520235 is about 721.2731798702. The cubic root of 520235 is about 80.4266270725.

The spelling of 520235 in words is "five hundred twenty thousand, two hundred thirty-five".