2165159 has 2 divisors, whose sum is σ = 2165160. Its totient is φ = 2165158.

The previous prime is 2165147. The next prime is 2165201. The reversal of 2165159 is 9515612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2165159 - 2⁴ = 2165143 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 (2165659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082579 + 1082580.

It is an arithmetic number, because the mean of its divisors is an integer number (1082580).

2^2165159 is an apocalyptic number.

2165159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165159 is an equidigital number, since it uses as much as digits as its factorization.

2165159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 2165159 is about 1471.4479263637. The cubic root of 2165159 is about 129.3689137296.

The spelling of 2165159 in words is "two million, one hundred sixty-five thousand, one hundred fifty-nine".