6218159 has 2 divisors, whose sum is σ = 6218160. Its totient is φ = 6218158.

The previous prime is 6218143. The next prime is 6218161. The reversal of 6218159 is 9518126.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6218159 - 2⁴ = 6218143 is a prime.

Together with 6218161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6218189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3109079 + 3109080.

It is an arithmetic number, because the mean of its divisors is an integer number (3109080).

Almost surely, 2^6218159 is an apocalyptic number.

6218159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6218159 is an equidigital number, since it uses as much as digits as its factorization.

6218159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The square root of 6218159 is about 2493.6236684793. The cubic root of 6218159 is about 183.8882335574. Note that the first 3 decimals are identical.

The spelling of 6218159 in words is "six million, two hundred eighteen thousand, one hundred fifty-nine".