520298 has 8 divisors (see below), whose sum is σ = 785892. Its totient is φ = 258336.

The previous prime is 520297. The next prime is 520307. The reversal of 520298 is 892025.

It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 20449 = 707^2 + 143^2 .

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

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520291) 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 3 ways as a sum of consecutive naturals, for example, 515 + ... + 1142.

2⁵²⁰²⁹⁸ is an apocalyptic number.

520298 is a deficient number, since it is larger than the sum of its proper divisors (265594).

520298 is a wasteful number, since it uses less digits than its factorization.

520298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 520298 is about 721.3168513212. The cubic root of 520298 is about 80.4298734726.

It can be divided in two parts, 5202 and 98, that multiplied together give a square (509796 = 714²).

The spelling of 520298 in words is "five hundred twenty thousand, two hundred ninety-eight".