47345171 has 2 divisors, whose sum is σ = 47345172. Its totient is φ = 47345170.

The previous prime is 47345167. The next prime is 47345189. The reversal of 47345171 is 17154374.

47345171 is digitally balanced in base 2, 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 47345171 - 2² = 47345167 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47345141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23672585 + 23672586.

It is an arithmetic number, because the mean of its divisors is an integer number (23672586).

Almost surely, 2^47345171 is an apocalyptic number.

47345171 is a deficient number, since it is larger than the sum of its proper divisors (1).

47345171 is an equidigital number, since it uses as much as digits as its factorization.

47345171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 47345171 is about 6880.7827316374. The cubic root of 47345171 is about 361.7639023973.

The spelling of 47345171 in words is "forty-seven million, three hundred forty-five thousand, one hundred seventy-one".