86091241 has 2 divisors, whose sum is σ = 86091242. Its totient is φ = 86091240.

The previous prime is 86091233. The next prime is 86091259. The reversal of 86091241 is 14219068.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 37161216 = 6995^2 + 6096^2 .

It is a cyclic number.

It is not a de Polignac number, because 86091241 - 2³ = 86091233 is a prime.

It is a super-3 number, since 3×86091241³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (86091041) 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, 43045620 + 43045621.

It is an arithmetic number, because the mean of its divisors is an integer number (43045621).

Almost surely, 2^86091241 is an apocalyptic number.

It is an amenable number.

86091241 is a deficient number, since it is larger than the sum of its proper divisors (1).

86091241 is an equidigital number, since it uses as much as digits as its factorization.

86091241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 86091241 is about 9278.5365764220. The cubic root of 86091241 is about 441.5565411603.

The spelling of 86091241 in words is "eighty-six million, ninety-one thousand, two hundred forty-one".