6551291 has 2 divisors, whose sum is σ = 6551292. Its totient is φ = 6551290.

The previous prime is 6551249. The next prime is 6551299. The reversal of 6551291 is 1921556.

6551291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6551291 - 2¹⁰ = 6550267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6551299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275645 + 3275646.

It is an arithmetic number, because the mean of its divisors is an integer number (3275646).

Almost surely, 2^6551291 is an apocalyptic number.

6551291 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551291 is an equidigital number, since it uses as much as digits as its factorization.

6551291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 6551291 is about 2559.5489837079. The cubic root of 6551291 is about 187.1151549395.

The spelling of 6551291 in words is "six million, five hundred fifty-one thousand, two hundred ninety-one".