8205065 has 8 divisors (see below), whose sum is σ = 10741248. Its totient is φ = 5967280.

The previous prime is 8205061. The next prime is 8205073. The reversal of 8205065 is 5605028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8205065 - 2² = 8205061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8205061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74537 + ... + 74646.

It is an arithmetic number, because the mean of its divisors is an integer number (1342656).

Almost surely, 2^8205065 is an apocalyptic number.

It is an amenable number.

8205065 is a deficient number, since it is larger than the sum of its proper divisors (2536183).

8205065 is a wasteful number, since it uses less digits than its factorization.

8205065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149199.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 8205065 is about 2864.4484634917. The cubic root of 8205065 is about 201.6944781746.

It can be divided in two parts, 820 and 5065, that added together give a palindrome (5885).

The spelling of 8205065 in words is "eight million, two hundred five thousand, sixty-five".