947171 has 2 divisors, whose sum is σ = 947172. Its totient is φ = 947170.

The previous prime is 947137. The next prime is 947183. The reversal of 947171 is 171749.

947171 is nontrivially palindromic in base 8.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-947171 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (949171) 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, 473585 + 473586.

It is an arithmetic number, because the mean of its divisors is an integer number (473586).

2⁹⁴⁷¹⁷¹ is an apocalyptic number.

947171 is a deficient number, since it is larger than the sum of its proper divisors (1).

947171 is an equidigital number, since it uses as much as digits as its factorization.

947171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 29.

The square root of 947171 is about 973.2271060755. The cubic root of 947171 is about 98.2070798208.

The spelling of 947171 in words is "nine hundred forty-seven thousand, one hundred seventy-one".