6981003 has 12 divisors (see below), whose sum is σ = 10138440. Its totient is φ = 4628736.

The previous prime is 6980977. The next prime is 6981011. The reversal of 6981003 is 3001896.

It is not a de Polignac number, because 6981003 - 2⁵ = 6980971 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6981043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (844870).

Almost surely, 2^6981003 is an apocalyptic number.

6981003 is a deficient number, since it is larger than the sum of its proper divisors (3157437).

6981003 is a wasteful number, since it uses less digits than its factorization.

6981003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218 (or 4215 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6981003 is about 2642.1587764553. The cubic root of 6981003 is about 191.1199141003.

Adding to 6981003 its reverse (3001896), we get a palindrome (9982899).

The spelling of 6981003 in words is "six million, nine hundred eighty-one thousand, three".