2002603 has 2 divisors, whose sum is σ = 2002604. Its totient is φ = 2002602.

The previous prime is 2002579. The next prime is 2002607. The reversal of 2002603 is 3062002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002603 - 2¹⁷ = 1871531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001301 + 1001302.

It is an arithmetic number, because the mean of its divisors is an integer number (1001302).

2^2002603 is an apocalyptic number.

2002603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002603 is an equidigital number, since it uses as much as digits as its factorization.

2002603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2002603 is about 1415.1335626011. The cubic root of 2002603 is about 126.0467408684.

Adding to 2002603 its reverse (3062002), we get a palindrome (5064605).

The spelling of 2002603 in words is "two million, two thousand, six hundred three".