6671113 has 2 divisors, whose sum is σ = 6671114. Its totient is φ = 6671112.

The previous prime is 6671111. The next prime is 6671153. The reversal of 6671113 is 3111766.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4149369 + 2521744 = 2037^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 6671113 - 2¹ = 6671111 is a prime.

Together with 6671111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6671111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335556 + 3335557.

It is an arithmetic number, because the mean of its divisors is an integer number (3335557).

Almost surely, 2^6671113 is an apocalyptic number.

It is an amenable number.

6671113 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671113 is an equidigital number, since it uses as much as digits as its factorization.

6671113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

The square root of 6671113 is about 2582.8497827013. The cubic root of 6671113 is about 188.2490380762.

Adding to 6671113 its reverse (3111766), we get a palindrome (9782879).

It can be divided in two parts, 667 and 1113, that multiplied together give a triangular number (742371 = T₁₂₁₈).

The spelling of 6671113 in words is "six million, six hundred seventy-one thousand, one hundred thirteen".