834257 has 2 divisors, whose sum is σ = 834258. Its totient is φ = 834256.

The previous prime is 834221. The next prime is 834259. The reversal of 834257 is 752438.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654481 + 179776 = 809^2 + 424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834257 is a prime.

Together with 834259, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 8³ + 3⁸ + 2⁹ + 4 + 5⁵ + 7⁷ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 834257.

It is not a weakly prime, because it can be changed into another prime (834259) 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, 417128 + 417129.

It is an arithmetic number, because the mean of its divisors is an integer number (417129).

2⁸³⁴²⁵⁷ is an apocalyptic number.

It is an amenable number.

834257 is a deficient number, since it is larger than the sum of its proper divisors (1).

834257 is an equidigital number, since it uses as much as digits as its factorization.

834257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 834257 is about 913.3767021334. The cubic root of 834257 is about 94.1383581948.

The spelling of 834257 in words is "eight hundred thirty-four thousand, two hundred fifty-seven".