8561159 has 2 divisors, whose sum is σ = 8561160. Its totient is φ = 8561158.

The previous prime is 8561131. The next prime is 8561213. The reversal of 8561159 is 9511658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8561159 - 2¹² = 8557063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8560159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4280579 + 4280580.

It is an arithmetic number, because the mean of its divisors is an integer number (4280580).

Almost surely, 2^8561159 is an apocalyptic number.

8561159 is a deficient number, since it is larger than the sum of its proper divisors (1).

8561159 is an equidigital number, since it uses as much as digits as its factorization.

8561159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 35.

The square root of 8561159 is about 2925.9458299839. The cubic root of 8561159 is about 204.5710563031.

The spelling of 8561159 in words is "eight million, five hundred sixty-one thousand, one hundred fifty-nine".