6427171 has 2 divisors, whose sum is σ = 6427172. Its totient is φ = 6427170.

The previous prime is 6427121. The next prime is 6427193. The reversal of 6427171 is 1717246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6427171 - 2⁹ = 6426659 is a prime.

6427171 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6427121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213585 + 3213586.

It is an arithmetic number, because the mean of its divisors is an integer number (3213586).

Almost surely, 2^6427171 is an apocalyptic number.

6427171 is a deficient number, since it is larger than the sum of its proper divisors (1).

6427171 is an equidigital number, since it uses as much as digits as its factorization.

6427171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 6427171 is about 2535.1865809048. The cubic root of 6427171 is about 185.9259253346.

The spelling of 6427171 in words is "six million, four hundred twenty-seven thousand, one hundred seventy-one".