86249101 has 2 divisors, whose sum is σ = 86249102. Its totient is φ = 86249100.

The previous prime is 86249081. The next prime is 86249131. The reversal of 86249101 is 10194268.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 39312900 = 6851^2 + 6270^2 .

It is a cyclic number.

It is not a de Polignac number, because 86249101 - 2¹⁹ = 85724813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86249131) 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, 43124550 + 43124551.

It is an arithmetic number, because the mean of its divisors is an integer number (43124551).

Almost surely, 2^86249101 is an apocalyptic number.

It is an amenable number.

86249101 is a deficient number, since it is larger than the sum of its proper divisors (1).

86249101 is an equidigital number, since it uses as much as digits as its factorization.

86249101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 86249101 is about 9287.0394098442. The cubic root of 86249101 is about 441.8262610301.

The spelling of 86249101 in words is "eighty-six million, two hundred forty-nine thousand, one hundred one".