503040103 has 2 divisors, whose sum is σ = 503040104. Its totient is φ = 503040102.

The previous prime is 503040073. The next prime is 503040113. The reversal of 503040103 is 301040305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503040103 - 2⁵ = 503040071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503040113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520051 + 251520052.

It is an arithmetic number, because the mean of its divisors is an integer number (251520052).

Almost surely, 2^503040103 is an apocalyptic number.

503040103 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040103 is an equidigital number, since it uses as much as digits as its factorization.

503040103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 503040103 is about 22428.5555263820. Note that the first 4 decimals coincide. The cubic root of 503040103 is about 795.3058976037.

Adding to 503040103 its reverse (301040305), we get a palindrome (804080408).

The spelling of 503040103 in words is "five hundred three million, forty thousand, one hundred three".