5001003 has 24 divisors (see below), whose sum is σ = 8323328. Its totient is φ = 2834352.

The previous prime is 5001001. The next prime is 5001019. The reversal of 5001003 is 3001005.

It is not a de Polignac number, because 5001003 - 2¹ = 5001001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10026 + ... + 10512.

Almost surely, 2^5001003 is an apocalyptic number.

5001003 is a deficient number, since it is larger than the sum of its proper divisors (3322325).

5001003 is a wasteful number, since it uses less digits than its factorization.

5001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 5001003 is about 2236.2922438715. The cubic root of 5001003 is about 171.0090279424.

Adding to 5001003 its reverse (3001005), we get a palindrome (8002008).

The spelling of 5001003 in words is "five million, one thousand, three".