86382251 has 2 divisors, whose sum is σ = 86382252. Its totient is φ = 86382250.

The previous prime is 86382223. The next prime is 86382259. The reversal of 86382251 is 15228368.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86382251 is a prime.

It is not a weakly prime, because it can be changed into another prime (86382259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43191125 + 43191126.

It is an arithmetic number, because the mean of its divisors is an integer number (43191126).

Almost surely, 2^86382251 is an apocalyptic number.

86382251 is a deficient number, since it is larger than the sum of its proper divisors (1).

86382251 is an equidigital number, since it uses as much as digits as its factorization.

86382251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 86382251 is about 9294.2052376736. The cubic root of 86382251 is about 442.0535055993.

The spelling of 86382251 in words is "eighty-six million, three hundred eighty-two thousand, two hundred fifty-one".