8265665 has 16 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 6215040.

The previous prime is 8265659. The next prime is 8265679. The reversal of 8265665 is 5665628.

It is a happy number.

It is not a de Polignac number, because 8265665 - 2¹⁸ = 8003521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15605 + ... + 16125.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^8265665 is an apocalyptic number.

It is an amenable number.

8265665 is a deficient number, since it is larger than the sum of its proper divisors (2257855).

8265665 is a wasteful number, since it uses less digits than its factorization.

8265665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its digits is 86400, while the sum is 38.

The square root of 8265665 is about 2875.0069565133. The cubic root of 8265665 is about 202.1898111299.

The spelling of 8265665 in words is "eight million, two hundred sixty-five thousand, six hundred sixty-five".