8001003 has 8 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 5311208.

The previous prime is 8000989. The next prime is 8001029. The reversal of 8001003 is 3001008.

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 8001003 - 2⁸ = 8000747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8001003.

It is not an unprimeable number, because it can be changed into a prime (8002003) 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, 4863 + ... + 6296.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^8001003 is an apocalyptic number.

8001003 is a deficient number, since it is larger than the sum of its proper divisors (2712597).

8001003 is a wasteful number, since it uses less digits than its factorization.

8001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 8001003 is about 2828.6044262145. The cubic root of 8001003 is about 200.0083579840.

The spelling of 8001003 in words is "eight million, one thousand, three".