6811403 has 2 divisors, whose sum is σ = 6811404. Its totient is φ = 6811402.

The previous prime is 6811397. The next prime is 6811423. The reversal of 6811403 is 3041186.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6811403 is a prime.

It is not a weakly prime, because it can be changed into another prime (6811423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405701 + 3405702.

It is an arithmetic number, because the mean of its divisors is an integer number (3405702).

Almost surely, 2^6811403 is an apocalyptic number.

6811403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6811403 is an equidigital number, since it uses as much as digits as its factorization.

6811403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 6811403 is about 2609.8664716801. The cubic root of 6811403 is about 189.5594873146.

Adding to 6811403 its reverse (3041186), we get a palindrome (9852589).

The spelling of 6811403 in words is "six million, eight hundred eleven thousand, four hundred three".