8201171 has 16 divisors (see below), whose sum is σ = 9469440. Its totient is φ = 7032480.

The previous prime is 8201159. The next prime is 8201183. The reversal of 8201171 is 1711028.

It is an interprime number because it is at equal distance from previous prime (8201159) and next prime (8201183).

It is a cyclic number.

It is not a de Polignac number, because 8201171 - 2¹⁰ = 8200147 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8201101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14720 + ... + 15266.

It is an arithmetic number, because the mean of its divisors is an integer number (591840).

Almost surely, 2^8201171 is an apocalyptic number.

8201171 is a deficient number, since it is larger than the sum of its proper divisors (1268269).

8201171 is a wasteful number, since it uses less digits than its factorization.

8201171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 8201171 is about 2863.7686708252. The cubic root of 8201171 is about 201.6625660741.

Adding to 8201171 its reverse (1711028), we get a palindrome (9912199).

It can be divided in two parts, 820 and 1171, that added together give a palindrome (1991).

The spelling of 8201171 in words is "eight million, two hundred one thousand, one hundred seventy-one".