8170961 has 2 divisors, whose sum is σ = 8170962. Its totient is φ = 8170960.

The previous prime is 8170937. The next prime is 8170973. The reversal of 8170961 is 1690718.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 414736 = 2785^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 8170961 - 2¹⁰ = 8169937 is a prime.

It is not a weakly prime, because it can be changed into another prime (8170901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085480 + 4085481.

It is an arithmetic number, because the mean of its divisors is an integer number (4085481).

Almost surely, 2^8170961 is an apocalyptic number.

It is an amenable number.

8170961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8170961 is an equidigital number, since it uses as much as digits as its factorization.

8170961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 8170961 is about 2858.4892863189. The cubic root of 8170961 is about 201.4146453015.

The spelling of 8170961 in words is "eight million, one hundred seventy thousand, nine hundred sixty-one".