8171201 has 2 divisors, whose sum is σ = 8171202. Its totient is φ = 8171200.

The previous prime is 8171173. The next prime is 8171213. The reversal of 8171201 is 1021718.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 3418801 = 2180^2 + 1849^2 .

It is a cyclic number.

It is not a de Polignac number, because 8171201 - 2¹⁰ = 8170177 is a prime.

It is equal to p₅₅₀₅₀₅ and since 8171201 and 550505 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8171221) 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, 4085600 + 4085601.

It is an arithmetic number, because the mean of its divisors is an integer number (4085601).

Almost surely, 2^8171201 is an apocalyptic number.

It is an amenable number.

8171201 is a deficient number, since it is larger than the sum of its proper divisors (1).

8171201 is an equidigital number, since it uses as much as digits as its factorization.

8171201 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8171201 is about 2858.5312662275. The cubic root of 8171201 is about 201.4166172867.

Adding to 8171201 its reverse (1021718), we get a palindrome (9192919).

The spelling of 8171201 in words is "eight million, one hundred seventy-one thousand, two hundred one".