86255593 has 2 divisors, whose sum is σ = 86255594. Its totient is φ = 86255592.

The previous prime is 86255591. The next prime is 86255623. The reversal of 86255593 is 39555268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81577024 + 4678569 = 9032^2 + 2163^2 .

It is a cyclic number.

It is not a de Polignac number, because 86255593 - 2¹ = 86255591 is a prime.

Together with 86255591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86255591) 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, 43127796 + 43127797.

It is an arithmetic number, because the mean of its divisors is an integer number (43127797).

Almost surely, 2^86255593 is an apocalyptic number.

It is an amenable number.

86255593 is a deficient number, since it is larger than the sum of its proper divisors (1).

86255593 is an equidigital number, since it uses as much as digits as its factorization.

86255593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 43.

The square root of 86255593 is about 9287.3889226197. The cubic root of 86255593 is about 441.8373462243.

The spelling of 86255593 in words is "eighty-six million, two hundred fifty-five thousand, five hundred ninety-three".