854897 has 2 divisors, whose sum is σ = 854898. Its totient is φ = 854896.

The previous prime is 854881. The next prime is 854899. The reversal of 854897 is 798458.

854897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 73441 = 884^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 854897 - 2⁴ = 854881 is a prime.

Together with 854899, 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 (854899) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427448 + 427449.

It is an arithmetic number, because the mean of its divisors is an integer number (427449).

2⁸⁵⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

854897 is a deficient number, since it is larger than the sum of its proper divisors (1).

854897 is an equidigital number, since it uses as much as digits as its factorization.

854897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 854897 is about 924.6064027466. The cubic root of 854897 is about 94.9083881381.

The spelling of 854897 in words is "eight hundred fifty-four thousand, eight hundred ninety-seven".