6678523 has 2 divisors, whose sum is σ = 6678524. Its totient is φ = 6678522.

The previous prime is 6678521. The next prime is 6678577. The reversal of 6678523 is 3258766.

6678523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6678523 - 2¹ = 6678521 is a prime.

Together with 6678521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6678521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339261 + 3339262.

It is an arithmetic number, because the mean of its divisors is an integer number (3339262).

Almost surely, 2^6678523 is an apocalyptic number.

6678523 is a deficient number, since it is larger than the sum of its proper divisors (1).

6678523 is an equidigital number, since it uses as much as digits as its factorization.

6678523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 6678523 is about 2584.2838466391. The cubic root of 6678523 is about 188.3187120679.

The spelling of 6678523 in words is "six million, six hundred seventy-eight thousand, five hundred twenty-three".