6999003 has 18 divisors (see below), whose sum is σ = 11114012. Its totient is φ = 4241160.

The previous prime is 6998989. The next prime is 6999007. The reversal of 6999003 is 3009996.

It is not a de Polignac number, because 6999003 - 2⁶ = 6998939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6999007) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2125 + ... + 4302.

Almost surely, 2^6999003 is an apocalyptic number.

6999003 is a deficient number, since it is larger than the sum of its proper divisors (4115009).

6999003 is a wasteful number, since it uses less digits than its factorization.

6999003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455 (or 6441 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 6999003 is about 2645.5628890654. The cubic root of 6999003 is about 191.2840359775.

The spelling of 6999003 in words is "six million, nine hundred ninety-nine thousand, three".