490003 has 2 divisors, whose sum is σ = 490004. Its totient is φ = 490002.

The previous prime is 490001. The next prime is 490019. The reversal of 490003 is 300094.

It is an a-pointer prime, because the next prime (490019) can be obtained adding 490003 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490003 - 2¹ = 490001 is a prime.

Together with 490001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (490001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245001 + 245002.

It is an arithmetic number, because the mean of its divisors is an integer number (245002).

2⁴⁹⁰⁰⁰³ is an apocalyptic number.

490003 is a deficient number, since it is larger than the sum of its proper divisors (1).

490003 is an equidigital number, since it uses as much as digits as its factorization.

490003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 490003 is about 700.0021428539. The cubic root of 490003 is about 78.8375125233.

Adding to 490003 its reverse (300094), we get a palindrome (790097).

The spelling of 490003 in words is "four hundred ninety thousand, three".