854257 has 2 divisors, whose sum is σ = 854258. Its totient is φ = 854256.

The previous prime is 854213. The next prime is 854263. The reversal of 854257 is 752458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 24336 = 911^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 854257 - 2⁷ = 854129 is a prime.

It is not a weakly prime, because it can be changed into another prime (854957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427128 + 427129.

It is an arithmetic number, because the mean of its divisors is an integer number (427129).

2⁸⁵⁴²⁵⁷ is an apocalyptic number.

It is an amenable number.

854257 is a deficient number, since it is larger than the sum of its proper divisors (1).

854257 is an equidigital number, since it uses as much as digits as its factorization.

854257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 854257 is about 924.2602447363. The cubic root of 854257 is about 94.8846985271.

It can be divided in two parts, 854 and 257, that added together give a palindrome (1111).

The spelling of 854257 in words is "eight hundred fifty-four thousand, two hundred fifty-seven".