6684101 has 2 divisors, whose sum is σ = 6684102. Its totient is φ = 6684100.

The previous prime is 6684091. The next prime is 6684103. The reversal of 6684101 is 1014866.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 2563201 = 2030^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 6684101 - 2⁶ = 6684037 is a prime.

It is a Sophie Germain prime.

Together with 6684103, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6684103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3342050 + 3342051.

It is an arithmetic number, because the mean of its divisors is an integer number (3342051).

Almost surely, 2^6684101 is an apocalyptic number.

It is an amenable number.

6684101 is a deficient number, since it is larger than the sum of its proper divisors (1).

6684101 is an equidigital number, since it uses as much as digits as its factorization.

6684101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 6684101 is about 2585.3628372049. The cubic root of 6684101 is about 188.3711263249.

Adding to 6684101 its reverse (1014866), we get a palindrome (7698967).

The spelling of 6684101 in words is "six million, six hundred eighty-four thousand, one hundred one".