8255831 has 2 divisors, whose sum is σ = 8255832. Its totient is φ = 8255830.

The previous prime is 8255803. The next prime is 8255837. The reversal of 8255831 is 1385528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8255831 - 2¹⁴ = 8239447 is a prime.

It is a super-2 number, since 2×8255831² = 136317491001122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8255837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127915 + 4127916.

It is an arithmetic number, because the mean of its divisors is an integer number (4127916).

Almost surely, 2^8255831 is an apocalyptic number.

8255831 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255831 is an equidigital number, since it uses as much as digits as its factorization.

8255831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 32.

The square root of 8255831 is about 2873.2961907886. The cubic root of 8255831 is about 202.1095948110.

The spelling of 8255831 in words is "eight million, two hundred fifty-five thousand, eight hundred thirty-one".