86349013 has 2 divisors, whose sum is σ = 86349014. Its totient is φ = 86349012.

The previous prime is 86348989. The next prime is 86349017. The reversal of 86349013 is 31094368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83503044 + 2845969 = 9138^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 86349013 - 2²¹ = 84251861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86349013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86349017) 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, 43174506 + 43174507.

It is an arithmetic number, because the mean of its divisors is an integer number (43174507).

Almost surely, 2^86349013 is an apocalyptic number.

It is an amenable number.

86349013 is a deficient number, since it is larger than the sum of its proper divisors (1).

86349013 is an equidigital number, since it uses as much as digits as its factorization.

86349013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 86349013 is about 9292.4169622332. The cubic root of 86349013 is about 441.9968008204.

The spelling of 86349013 in words is "eighty-six million, three hundred forty-nine thousand, thirteen".