508903 has 2 divisors, whose sum is σ = 508904. Its totient is φ = 508902.

The previous prime is 508901. The next prime is 508909. The reversal of 508903 is 309805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 508903 - 2¹ = 508901 is a prime.

Together with 508901, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508901) 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 as a sum of consecutive naturals, namely, 254451 + 254452.

It is an arithmetic number, because the mean of its divisors is an integer number (254452).

2⁵⁰⁸⁹⁰³ is an apocalyptic number.

508903 is a deficient number, since it is larger than the sum of its proper divisors (1).

508903 is an equidigital number, since it uses as much as digits as its factorization.

508903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 508903 is about 713.3743757663. The cubic root of 508903 is about 79.8383715898.

The spelling of 508903 in words is "five hundred eight thousand, nine hundred three".