108105265 has 4 divisors (see below), whose sum is σ = 129726324. Its totient is φ = 86484208.

The previous prime is 108105253. The next prime is 108105299. The reversal of 108105265 is 562501801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562501801 = 61 ⋅9221341.

It can be written as a sum of positive squares in 2 ways, for example, as 27123264 + 80982001 = 5208^2 + 8999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108105265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10810522 + ... + 10810531.

It is an arithmetic number, because the mean of its divisors is an integer number (32431581).

Almost surely, 2^108105265 is an apocalyptic number.

It is an amenable number.

108105265 is a deficient number, since it is larger than the sum of its proper divisors (21621059).

108105265 is an equidigital number, since it uses as much as digits as its factorization.

108105265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621058.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 108105265 is about 10397.3681766108. The cubic root of 108105265 is about 476.3749855093.

The spelling of 108105265 in words is "one hundred eight million, one hundred five thousand, two hundred sixty-five".