6897211 has 2 divisors, whose sum is σ = 6897212. Its totient is φ = 6897210.

The previous prime is 6897199. The next prime is 6897271. The reversal of 6897211 is 1127986.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6897211 - 2⁷ = 6897083 is a prime.

6897211 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6897271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448605 + 3448606.

It is an arithmetic number, because the mean of its divisors is an integer number (3448606).

Almost surely, 2^6897211 is an apocalyptic number.

6897211 is a deficient number, since it is larger than the sum of its proper divisors (1).

6897211 is an equidigital number, since it uses as much as digits as its factorization.

6897211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 34.

The square root of 6897211 is about 2626.2541765793. The cubic root of 6897211 is about 190.3521723165.

It can be divided in two parts, 68 and 97211, that added together give a palindrome (97279).

The spelling of 6897211 in words is "six million, eight hundred ninety-seven thousand, two hundred eleven".