86315101 has 2 divisors, whose sum is σ = 86315102. Its totient is φ = 86315100.

The previous prime is 86315093. The next prime is 86315123. The reversal of 86315101 is 10151368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86007076 + 308025 = 9274^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 86315101 - 2³ = 86315093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86315401) 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, 43157550 + 43157551.

It is an arithmetic number, because the mean of its divisors is an integer number (43157551).

Almost surely, 2^86315101 is an apocalyptic number.

It is an amenable number.

86315101 is a deficient number, since it is larger than the sum of its proper divisors (1).

86315101 is an equidigital number, since it uses as much as digits as its factorization.

86315101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 86315101 is about 9290.5920694001. The cubic root of 86315101 is about 441.9389311832.

Adding to 86315101 its reverse (10151368), we get a palindrome (96466469).

The spelling of 86315101 in words is "eighty-six million, three hundred fifteen thousand, one hundred one".