9001003 has 8 divisors (see below), whose sum is σ = 10336320. Its totient is φ = 7751880.

The previous prime is 9001001. The next prime is 9001033. The reversal of 9001003 is 3001009.

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 9001003 - 2¹ = 9001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9001001) 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, 21325 + ... + 21742.

It is an arithmetic number, because the mean of its divisors is an integer number (1292040).

Almost surely, 2^9001003 is an apocalyptic number.

9001003 is a deficient number, since it is larger than the sum of its proper divisors (1335317).

9001003 is a wasteful number, since it uses less digits than its factorization.

9001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43097.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 9001003 is about 3000.1671620095. The cubic root of 9001003 is about 208.0161091444.

The spelling of 9001003 in words is "nine million, one thousand, three".