8320265 has 4 divisors (see below), whose sum is σ = 9984324. Its totient is φ = 6656208.

The previous prime is 8320229. The next prime is 8320267. The reversal of 8320265 is 5620238.

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 2849344 + 5470921 = 1688^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 8320265 - 2²⁰ = 7271689 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 (8320267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832022 + ... + 832031.

It is an arithmetic number, because the mean of its divisors is an integer number (2496081).

Almost surely, 2^8320265 is an apocalyptic number.

It is an amenable number.

8320265 is a deficient number, since it is larger than the sum of its proper divisors (1664059).

8320265 is a wasteful number, since it uses less digits than its factorization.

8320265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664058.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 8320265 is about 2884.4869561154. The cubic root of 8320265 is about 202.6340320813.

The spelling of 8320265 in words is "eight million, three hundred twenty thousand, two hundred sixty-five".