947057171 has 2 divisors, whose sum is σ = 947057172. Its totient is φ = 947057170.

The previous prime is 947057149. The next prime is 947057197. The reversal of 947057171 is 171750749.

947057171 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 947057171 - 2¹⁰ = 947056147 is a prime.

It is not a weakly prime, because it can be changed into another prime (947057101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473528585 + 473528586.

It is an arithmetic number, because the mean of its divisors is an integer number (473528586).

Almost surely, 2^947057171 is an apocalyptic number.

947057171 is a deficient number, since it is larger than the sum of its proper divisors (1).

947057171 is an equidigital number, since it uses as much as digits as its factorization.

947057171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 947057171 is about 30774.2939967759. The cubic root of 947057171 is about 982.0314555706.

The spelling of 947057171 in words is "nine hundred forty-seven million, fifty-seven thousand, one hundred seventy-one".