859279 has 2 divisors, whose sum is σ = 859280.
Its totient is φ = 859278.
The previous prime is 859277. The next prime is 859297. The reversal of 859279 is 972958.
Together with next prime (859297) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 859279 - 21 = 859277 is a prime.
Together with 859277, 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 (859273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429639 + 429640.
It is an arithmetic number, because the mean of its divisors is an integer number (429640).
2859279 is an apocalyptic number.
859279 is a deficient number, since it is larger than the sum of its proper divisors (1).
859279 is an equidigital number, since it uses as much as digits as its factorization.
859279 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 45360, while the sum is 40.
The square root of 859279 is about 926.9730308914.
The cubic root of 859279 is about 95.0702711842.
The spelling of 859279 in words is "eight hundred fifty-nine thousand, two hundred seventy-nine".