520682 has 8 divisors (see below), whose sum is σ = 784836. Its totient is φ = 259072.

The previous prime is 520679. The next prime is 520691. The reversal of 520682 is 286025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 841 = 721^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×520682² = 542219490248, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 1020.

2⁵²⁰⁶⁸² is an apocalyptic number.

520682 is a deficient number, since it is larger than the sum of its proper divisors (264154).

520682 is a wasteful number, since it uses less digits than its factorization.

520682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 520682 is about 721.5829820610. The cubic root of 520682 is about 80.4496553902.

The spelling of 520682 in words is "five hundred twenty thousand, six hundred eighty-two".