6550211 has 2 divisors, whose sum is σ = 6550212. Its totient is φ = 6550210.

The previous prime is 6550199. The next prime is 6550213. The reversal of 6550211 is 1120556.

6550211 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 6550211 - 2¹⁰ = 6549187 is a prime.

Together with 6550213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6550213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275105 + 3275106.

It is an arithmetic number, because the mean of its divisors is an integer number (3275106).

Almost surely, 2^6550211 is an apocalyptic number.

6550211 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550211 is an equidigital number, since it uses as much as digits as its factorization.

6550211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 6550211 is about 2559.3380003431. The cubic root of 6550211 is about 187.1048722094.

Adding to 6550211 its reverse (1120556), we get a palindrome (7670767).

The spelling of 6550211 in words is "six million, five hundred fifty thousand, two hundred eleven".