6523871 has 2 divisors, whose sum is σ = 6523872. Its totient is φ = 6523870.

The previous prime is 6523861. The next prime is 6523873. The reversal of 6523871 is 1783256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6523871 - 2²² = 2329567 is a prime.

Together with 6523873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6523873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261935 + 3261936.

It is an arithmetic number, because the mean of its divisors is an integer number (3261936).

Almost surely, 2^6523871 is an apocalyptic number.

6523871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523871 is an equidigital number, since it uses as much as digits as its factorization.

6523871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 6523871 is about 2554.1869547862. The cubic root of 6523871 is about 186.8537371363.

The spelling of 6523871 in words is "six million, five hundred twenty-three thousand, eight hundred seventy-one".