4255859 has 2 divisors, whose sum is σ = 4255860. Its totient is φ = 4255858.

The previous prime is 4255817. The next prime is 4255877. The reversal of 4255859 is 9585524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4255859 is a prime.

It is a super-2 number, since 2×4255859² = 36224671655762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4255879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127929 + 2127930.

It is an arithmetic number, because the mean of its divisors is an integer number (2127930).

Almost surely, 2^4255859 is an apocalyptic number.

4255859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255859 is an equidigital number, since it uses as much as digits as its factorization.

4255859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 38.

The square root of 4255859 is about 2062.9733396241. The cubic root of 4255859 is about 162.0549907303.

The spelling of 4255859 in words is "four million, two hundred fifty-five thousand, eight hundred fifty-nine".