520103 has 2 divisors, whose sum is σ = 520104. Its totient is φ = 520102.

The previous prime is 520073. The next prime is 520111. The reversal of 520103 is 301025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260051 + 260052.

It is an arithmetic number, because the mean of its divisors is an integer number (260052).

2⁵²⁰¹⁰³ is an apocalyptic number.

520103 is a deficient number, since it is larger than the sum of its proper divisors (1).

520103 is an equidigital number, since it uses as much as digits as its factorization.

520103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 520103 is about 721.1816692069. The cubic root of 520103 is about 80.4198242412.

Adding to 520103 its reverse (301025), we get a palindrome (821128).

The spelling of 520103 in words is "five hundred twenty thousand, one hundred three".