854459 has 2 divisors, whose sum is σ = 854460. Its totient is φ = 854458.

The previous prime is 854443. The next prime is 854461. The reversal of 854459 is 954458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854459 - 2⁴ = 854443 is a prime.

Together with 854461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (854419) 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, 427229 + 427230.

It is an arithmetic number, because the mean of its divisors is an integer number (427230).

2⁸⁵⁴⁴⁵⁹ is an apocalyptic number.

854459 is a deficient number, since it is larger than the sum of its proper divisors (1).

854459 is an equidigital number, since it uses as much as digits as its factorization.

854459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 854459 is about 924.3695148586. The cubic root of 854459 is about 94.8921768381.

Subtracting 854459 from its reverse (954458), we obtain a palindrome (99999).

The spelling of 854459 in words is "eight hundred fifty-four thousand, four hundred fifty-nine".