10205165 has 4 divisors (see below), whose sum is σ = 12246204. Its totient is φ = 8164128.

The previous prime is 10205161. The next prime is 10205177. The reversal of 10205165 is 56150201.

10205165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 2292196 = 2813^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 10205165 - 2² = 10205161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10205161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020512 + ... + 1020521.

It is an arithmetic number, because the mean of its divisors is an integer number (3061551).

Almost surely, 2^10205165 is an apocalyptic number.

It is an amenable number.

10205165 is a deficient number, since it is larger than the sum of its proper divisors (2041039).

10205165 is an equidigital number, since it uses as much as digits as its factorization.

10205165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041038.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10205165 is about 3194.5523943113. The cubic root of 10205165 is about 216.9068880683.

Adding to 10205165 its reverse (56150201), we get a palindrome (66355366).

The spelling of 10205165 in words is "ten million, two hundred five thousand, one hundred sixty-five".