859363 has 2 divisors, whose sum is σ = 859364. Its totient is φ = 859362.

The previous prime is 859361. The next prime is 859373. The reversal of 859363 is 363958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 859363 - 2¹ = 859361 is a prime.

Together with 859361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (859361) 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, 429681 + 429682.

It is an arithmetic number, because the mean of its divisors is an integer number (429682).

2⁸⁵⁹³⁶³ is an apocalyptic number.

859363 is a deficient number, since it is larger than the sum of its proper divisors (1).

859363 is an equidigital number, since it uses as much as digits as its factorization.

859363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 859363 is about 927.0183385457. The cubic root of 859363 is about 95.0733689916.

Subtracting from 859363 its sum of digits (34), we obtain a square (859329 = 927²).

The spelling of 859363 in words is "eight hundred fifty-nine thousand, three hundred sixty-three".