520219 has 4 divisors (see below), whose sum is σ = 594544. Its totient is φ = 445896.

The previous prime is 520213. The next prime is 520241. The reversal of 520219 is 912025.

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 520219 - 2¹¹ = 518171 is a prime.

It is a super-2 number, since 2×520219² = 541255615922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520196 and 520205.

It is not an unprimeable number, because it can be changed into a prime (520213) 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, 37152 + ... + 37165.

It is an arithmetic number, because the mean of its divisors is an integer number (148636).

2⁵²⁰²¹⁹ is an apocalyptic number.

520219 is a deficient number, since it is larger than the sum of its proper divisors (74325).

520219 is an equidigital number, since it uses as much as digits as its factorization.

520219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74324.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 520219 is about 721.2620882869. The cubic root of 520219 is about 80.4258025481.

The spelling of 520219 in words is "five hundred twenty thousand, two hundred nineteen".