520276 has 6 divisors (see below), whose sum is σ = 910490. Its totient is φ = 260136.

The previous prime is 520241. The next prime is 520279. The reversal of 520276 is 672025.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 30276 = 700^2 + 174^2 .

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65031 + ... + 65038.

2⁵²⁰²⁷⁶ is an apocalyptic number.

It is an amenable number.

520276 is a deficient number, since it is larger than the sum of its proper divisors (390214).

520276 is a wasteful number, since it uses less digits than its factorization.

520276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130073 (or 130071 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 520276 is about 721.3016012737. The cubic root of 520276 is about 80.4287398389.

The spelling of 520276 in words is "five hundred twenty thousand, two hundred seventy-six".