9003009 has 4 divisors (see below), whose sum is σ = 12004016. Its totient is φ = 6002004.

The previous prime is 9002993. The next prime is 9003023.

9003009 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9003009 - 2⁴ = 9002993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9003209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500499 + ... + 1500504.

It is an arithmetic number, because the mean of its divisors is an integer number (3001004).

It is a Proth number, since it is equal to 1099 ⋅ 2¹³ + 1 and 1099 < 2¹³.

Almost surely, 2^9003009 is an apocalyptic number.

It is an amenable number.

9003009 is a deficient number, since it is larger than the sum of its proper divisors (3001007).

9003009 is a wasteful number, since it uses less digits than its factorization.

9003009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001006.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 9003009 is about 3000.5014580900. The cubic root of 9003009 is about 208.0315611008.

The spelling of 9003009 in words is "nine million, three thousand, nine".