862159 has 2 divisors, whose sum is σ = 862160. Its totient is φ = 862158.

The previous prime is 862157. The next prime is 862171. The reversal of 862159 is 951268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 862159 - 2¹ = 862157 is a prime.

Together with 862157, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 862159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (862157) 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, 431079 + 431080.

It is an arithmetic number, because the mean of its divisors is an integer number (431080).

2⁸⁶²¹⁵⁹ is an apocalyptic number.

862159 is a deficient number, since it is larger than the sum of its proper divisors (1).

862159 is an equidigital number, since it uses as much as digits as its factorization.

862159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 862159 is about 928.5251746722. The cubic root of 862159 is about 95.1763667414.

The spelling of 862159 in words is "eight hundred sixty-two thousand, one hundred fifty-nine".