2009003 has 8 divisors (see below), whose sum is σ = 2164800. Its totient is φ = 1858248.

The previous prime is 2008973. The next prime is 2009011. The reversal of 2009003 is 3009002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2009003 - 2⁶ = 2008939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (270600).

2^2009003 is an apocalyptic number.

2009003 is a deficient number, since it is larger than the sum of its proper divisors (155797).

2009003 is a wasteful number, since it uses less digits than its factorization.

2009003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2009003 is about 1417.3930294735. The cubic root of 2009003 is about 126.1808731791.

Subtracting 2009003 from its reverse (3009002), we obtain a palindrome (999999).

The spelling of 2009003 in words is "two million, nine thousand, three".