520244 has 12 divisors (see below), whose sum is σ = 921984. Its totient is φ = 256824.

The previous prime is 520241. The next prime is 520279. The reversal of 520244 is 442025.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520244.

It is not an unprimeable number, because it can be changed into a prime (520241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (76832).

2⁵²⁰²⁴⁴ is an apocalyptic number.

It is an amenable number.

520244 is a deficient number, since it is larger than the sum of its proper divisors (401740).

520244 is a wasteful number, since it uses less digits than its factorization.

520244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 520244 is about 721.2794188108. The cubic root of 520244 is about 80.4270908600.

Adding to 520244 its reverse (442025), we get a palindrome (962269).

The spelling of 520244 in words is "five hundred twenty thousand, two hundred forty-four".