6891041 has 2 divisors, whose sum is σ = 6891042. Its totient is φ = 6891040.

The previous prime is 6891029. The next prime is 6891061. The reversal of 6891041 is 1401986.

6891041 is nontrivially palindromic in base 13.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 2907025 = 1996^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 6891041 - 2¹⁰ = 6890017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6890995 and 6891013.

It is not a weakly prime, because it can be changed into another prime (6891011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3445520 + 3445521.

It is an arithmetic number, because the mean of its divisors is an integer number (3445521).

Almost surely, 2^6891041 is an apocalyptic number.

It is an amenable number.

6891041 is a deficient number, since it is larger than the sum of its proper divisors (1).

6891041 is an equidigital number, since it uses as much as digits as its factorization.

6891041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 6891041 is about 2625.0792368993. The cubic root of 6891041 is about 190.2953946184.

The spelling of 6891041 in words is "six million, eight hundred ninety-one thousand, forty-one".