6671893 has 2 divisors, whose sum is σ = 6671894. Its totient is φ = 6671892.

The previous prime is 6671891. The next prime is 6671921. The reversal of 6671893 is 3981766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6671889 + 4 = 2583^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 6671893 - 2¹ = 6671891 is a prime.

Together with 6671891, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6671891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335946 + 3335947.

It is an arithmetic number, because the mean of its divisors is an integer number (3335947).

Almost surely, 2^6671893 is an apocalyptic number.

It is an amenable number.

6671893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671893 is an equidigital number, since it uses as much as digits as its factorization.

6671893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 6671893 is about 2583.0007742933. Note that the first 3 decimals coincide. The cubic root of 6671893 is about 188.2563746095.

The spelling of 6671893 in words is "six million, six hundred seventy-one thousand, eight hundred ninety-three".