520450 has 24 divisors (see below), whose sum is σ = 1107072. Its totient is φ = 178320.

The previous prime is 520447. The next prime is 520451. The reversal of 520450 is 54025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (520451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394 + ... + 1093.

It is an arithmetic number, because the mean of its divisors is an integer number (46128).

2⁵²⁰⁴⁵⁰ is an apocalyptic number.

520450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520450 is an abundant number, since it is smaller than the sum of its proper divisors (586622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520450 is a wasteful number, since it uses less digits than its factorization.

520450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 520450 is about 721.4222064783. The cubic root of 520450 is about 80.4377049785.

Adding to 520450 its reverse (54025), we get a palindrome (574475).

The spelling of 520450 in words is "five hundred twenty thousand, four hundred fifty".