6601211 has 2 divisors, whose sum is σ = 6601212. Its totient is φ = 6601210.

The previous prime is 6601201. The next prime is 6601213. The reversal of 6601211 is 1121066.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6601211 is a prime.

Together with 6601213, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6601211.

It is not a weakly prime, because it can be changed into another prime (6601213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300605 + 3300606.

It is an arithmetic number, because the mean of its divisors is an integer number (3300606).

Almost surely, 2^6601211 is an apocalyptic number.

6601211 is a deficient number, since it is larger than the sum of its proper divisors (1).

6601211 is an equidigital number, since it uses as much as digits as its factorization.

6601211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 6601211 is about 2569.2821954780. The cubic root of 6601211 is about 187.5892173932.

Adding to 6601211 its reverse (1121066), we get a palindrome (7722277).

The spelling of 6601211 in words is "six million, six hundred one thousand, two hundred eleven".