86250317 has 2 divisors, whose sum is σ = 86250318. Its totient is φ = 86250316.

The previous prime is 86250287. The next prime is 86250337. The reversal of 86250317 is 71305268.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74063236 + 12187081 = 8606^2 + 3491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86250317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86250337) 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, 43125158 + 43125159.

It is an arithmetic number, because the mean of its divisors is an integer number (43125159).

Almost surely, 2^86250317 is an apocalyptic number.

It is an amenable number.

86250317 is a deficient number, since it is larger than the sum of its proper divisors (1).

86250317 is an equidigital number, since it uses as much as digits as its factorization.

86250317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 86250317 is about 9287.1048771940. The cubic root of 86250317 is about 441.8283374119.

The spelling of 86250317 in words is "eighty-six million, two hundred fifty thousand, three hundred seventeen".