8211361 has 2 divisors, whose sum is σ = 8211362. Its totient is φ = 8211360.

The previous prime is 8211353. The next prime is 8211367. The reversal of 8211361 is 1631128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 3136 = 2865^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 8211361 - 2³ = 8211353 is a prime.

It is not a weakly prime, because it can be changed into another prime (8211367) 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, 4105680 + 4105681.

It is an arithmetic number, because the mean of its divisors is an integer number (4105681).

Almost surely, 2^8211361 is an apocalyptic number.

It is an amenable number.

8211361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8211361 is an equidigital number, since it uses as much as digits as its factorization.

8211361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 8211361 is about 2865.5472426746. The cubic root of 8211361 is about 201.7460537875.

Adding to 8211361 its reverse (1631128), we get a palindrome (9842489).

The spelling of 8211361 in words is "eight million, two hundred eleven thousand, three hundred sixty-one".