520275 has 24 divisors (see below), whose sum is σ = 984064. Its totient is φ = 237600.

The previous prime is 520241. The next prime is 520279. The reversal of 520275 is 572025.

It is not a de Polignac number, because 520275 - 2⁸ = 520019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520279) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30 + ... + 1020.

2⁵²⁰²⁷⁵ is an apocalyptic number.

520275 is a deficient number, since it is larger than the sum of its proper divisors (463789).

520275 is a wasteful number, since it uses less digits than its factorization.

520275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 520275 is about 721.3009080821. The cubic root of 520275 is about 80.4286883093.

The spelling of 520275 in words is "five hundred twenty thousand, two hundred seventy-five".