86536243 has 2 divisors, whose sum is σ = 86536244. Its totient is φ = 86536242.

The previous prime is 86536217. The next prime is 86536267. The reversal of 86536243 is 34263568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86536243 - 2¹³ = 86528051 is a prime.

It is not a weakly prime, because it can be changed into another prime (86536343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43268121 + 43268122.

It is an arithmetic number, because the mean of its divisors is an integer number (43268122).

Almost surely, 2^86536243 is an apocalyptic number.

86536243 is a deficient number, since it is larger than the sum of its proper divisors (1).

86536243 is an equidigital number, since it uses as much as digits as its factorization.

86536243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 86536243 is about 9302.4858505670. The cubic root of 86536243 is about 442.3160297947.

The spelling of 86536243 in words is "eighty-six million, five hundred thirty-six thousand, two hundred forty-three".