8021265 has 32 divisors (see below), whose sum is σ = 14868480. Its totient is φ = 3616704.

The previous prime is 8021257. The next prime is 8021269. The reversal of 8021265 is 5621208.

It is not a de Polignac number, because 8021265 - 2³ = 8021257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8021269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7812 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (464640).

Almost surely, 2^8021265 is an apocalyptic number.

It is an amenable number.

8021265 is a deficient number, since it is larger than the sum of its proper divisors (6847215).

8021265 is a wasteful number, since it uses less digits than its factorization.

8021265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8021265 is about 2832.1837864093. The cubic root of 8021265 is about 200.1770515508.

The spelling of 8021265 in words is "eight million, twenty-one thousand, two hundred sixty-five".