856301 has 2 divisors, whose sum is σ = 856302. Its totient is φ = 856300.

The previous prime is 856279. The next prime is 856309. The reversal of 856301 is 103658.

856301 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., 855625 + 676 = 925^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 856301 - 2⁶ = 856237 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (856309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428150 + 428151.

It is an arithmetic number, because the mean of its divisors is an integer number (428151).

2⁸⁵⁶³⁰¹ is an apocalyptic number.

It is an amenable number.

856301 is a deficient number, since it is larger than the sum of its proper divisors (1).

856301 is an equidigital number, since it uses as much as digits as its factorization.

856301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 856301 is about 925.3653332603. The cubic root of 856301 is about 94.9603158351.

Adding to 856301 its reverse (103658), we get a palindrome (959959).

The spelling of 856301 in words is "eight hundred fifty-six thousand, three hundred one".