7117171 has 2 divisors, whose sum is σ = 7117172. Its totient is φ = 7117170.

The previous prime is 7117147. The next prime is 7117177. The reversal of 7117171 is 1717117.

It is a strong prime.

It is an emirp because it is prime and its reverse (1717117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7117171 - 2¹³ = 7108979 is a prime.

It is not a weakly prime, because it can be changed into another prime (7117177) 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, 3558585 + 3558586.

It is an arithmetic number, because the mean of its divisors is an integer number (3558586).

Almost surely, 2^7117171 is an apocalyptic number.

7117171 is a deficient number, since it is larger than the sum of its proper divisors (1).

7117171 is an equidigital number, since it uses as much as digits as its factorization.

7117171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 343, while the sum is 25.

The square root of 7117171 is about 2667.8026538708. The cubic root of 7117171 is about 192.3545513995.

It can be divided in two parts, 71 and 17171, that multiplied together give a triangular number (1219141 = T₁₅₆₁).

The spelling of 7117171 in words is "seven million, one hundred seventeen thousand, one hundred seventy-one".