108019585 has 4 divisors (see below), whose sum is σ = 129623508. Its totient is φ = 86415664.

The previous prime is 108019559. The next prime is 108019589. The reversal of 108019585 is 585910801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585910801 = 7 ⋅83701543.

It can be written as a sum of positive squares in 2 ways, for example, as 40500496 + 67519089 = 6364^2 + 8217^2 .

It is a cyclic number.

It is not a de Polignac number, because 108019585 - 2⁵ = 108019553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108019589) 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 in 3 ways as a sum of consecutive naturals, for example, 10801954 + ... + 10801963.

It is an arithmetic number, because the mean of its divisors is an integer number (32405877).

Almost surely, 2^108019585 is an apocalyptic number.

It is an amenable number.

108019585 is a deficient number, since it is larger than the sum of its proper divisors (21603923).

108019585 is an equidigital number, since it uses as much as digits as its factorization.

108019585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21603922.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 108019585 is about 10393.2470864499. The cubic root of 108019585 is about 476.2491001928.

The spelling of 108019585 in words is "one hundred eight million, nineteen thousand, five hundred eighty-five".