47171671 has 2 divisors, whose sum is σ = 47171672. Its totient is φ = 47171670.

The previous prime is 47171629. The next prime is 47171681. The reversal of 47171671 is 17617174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47171671 - 2⁷ = 47171543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47171681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23585835 + 23585836.

It is an arithmetic number, because the mean of its divisors is an integer number (23585836).

Almost surely, 2^47171671 is an apocalyptic number.

47171671 is a deficient number, since it is larger than the sum of its proper divisors (1).

47171671 is an equidigital number, since it uses as much as digits as its factorization.

47171671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232, while the sum is 34.

The square root of 47171671 is about 6868.1635827927. The cubic root of 47171671 is about 361.3214576698.

The spelling of 47171671 in words is "forty-seven million, one hundred seventy-one thousand, six hundred seventy-one".