520033 has 4 divisors (see below), whose sum is σ = 521668. Its totient is φ = 518400.

The previous prime is 520031. The next prime is 520043. The reversal of 520033 is 330025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18769 + 501264 = 137^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 520033 - 2¹ = 520031 is a prime.

It is a Duffinian number.

520033 is a lucky number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 519995 and 520022.

It is not an unprimeable number, because it can be changed into a prime (520031) by changing a digit.

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, 168 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (130417).

2⁵²⁰⁰³³ is an apocalyptic number.

It is an amenable number.

520033 is a deficient number, since it is larger than the sum of its proper divisors (1635).

520033 is a wasteful number, since it uses less digits than its factorization.

520033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 520033 is about 721.1331361129. The cubic root of 520033 is about 80.4162162121.

Adding to 520033 its reverse (330025), we get a palindrome (850058).

The spelling of 520033 in words is "five hundred twenty thousand, thirty-three".