8059661 has 2 divisors, whose sum is σ = 8059662. Its totient is φ = 8059660.

The previous prime is 8059643. The next prime is 8059669. The reversal of 8059661 is 1669508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 1142761 = 2630^2 + 1069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8059661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8059669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4029830 + 4029831.

It is an arithmetic number, because the mean of its divisors is an integer number (4029831).

Almost surely, 2^8059661 is an apocalyptic number.

It is an amenable number.

8059661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8059661 is an equidigital number, since it uses as much as digits as its factorization.

8059661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 8059661 is about 2838.9542088593. The cubic root of 8059661 is about 200.4959441803.

The spelling of 8059661 in words is "eight million, fifty-nine thousand, six hundred sixty-one".