520043 has 2 divisors, whose sum is σ = 520044. Its totient is φ = 520042.

The previous prime is 520031. The next prime is 520063. The reversal of 520043 is 340025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520043 - 2⁸ = 519787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260021 + 260022.

It is an arithmetic number, because the mean of its divisors is an integer number (260022).

2⁵²⁰⁰⁴³ is an apocalyptic number.

520043 is a deficient number, since it is larger than the sum of its proper divisors (1).

520043 is an equidigital number, since it uses as much as digits as its factorization.

520043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 520043 is about 721.1400696120. The cubic root of 520043 is about 80.4167316646.

Adding to 520043 its reverse (340025), we get a palindrome (860068).

The spelling of 520043 in words is "five hundred twenty thousand, forty-three".