109865317 has 4 divisors (see below), whose sum is σ = 109892160. Its totient is φ = 109838476.

The previous prime is 109865293. The next prime is 109865323. The reversal of 109865317 is 713568901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713568901 = 6959 ⋅102539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109865317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109865317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109865347) 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, 5863 + ... + 15940.

It is an arithmetic number, because the mean of its divisors is an integer number (27473040).

Almost surely, 2^109865317 is an apocalyptic number.

It is an amenable number.

109865317 is a deficient number, since it is larger than the sum of its proper divisors (26843).

109865317 is an equidigital number, since it uses as much as digits as its factorization.

109865317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26842.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 109865317 is about 10481.6657550220. The cubic root of 109865317 is about 478.9463534773.

The spelling of 109865317 in words is "one hundred nine million, eight hundred sixty-five thousand, three hundred seventeen".