2603043 has 16 divisors (see below), whose sum is σ = 3882400. Its totient is φ = 1723680.

The previous prime is 2603033. The next prime is 2603047. The reversal of 2603043 is 3403062.

2603043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2603043 - 2¹⁴ = 2586659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2603047) 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 in 15 ways as a sum of consecutive naturals, for example, 5973 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (242650).

2^2603043 is an apocalyptic number.

2603043 is a deficient number, since it is larger than the sum of its proper divisors (1279357).

2603043 is a wasteful number, since it uses less digits than its factorization.

2603043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2603043 is about 1613.3948679725. The cubic root of 2603043 is about 137.5605111074.

The spelling of 2603043 in words is "two million, six hundred three thousand, forty-three".