86315017 has 2 divisors, whose sum is σ = 86315018. Its totient is φ = 86315016.

The previous prime is 86315003. The next prime is 86315057. The reversal of 86315017 is 71051368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72948681 + 13366336 = 8541^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 86315017 - 2¹¹ = 86312969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86315017.

It is not a weakly prime, because it can be changed into another prime (86315057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43157508 + 43157509.

It is an arithmetic number, because the mean of its divisors is an integer number (43157509).

Almost surely, 2^86315017 is an apocalyptic number.

It is an amenable number.

86315017 is a deficient number, since it is larger than the sum of its proper divisors (1).

86315017 is an equidigital number, since it uses as much as digits as its factorization.

86315017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 86315017 is about 9290.5875486968. The cubic root of 86315017 is about 441.9387878214.

The spelling of 86315017 in words is "eighty-six million, three hundred fifteen thousand, seventeen".