8265889 has 2 divisors, whose sum is σ = 8265890. Its totient is φ = 8265888.

The previous prime is 8265877. The next prime is 8265919. The reversal of 8265889 is 9885628.

It is a happy number.

8265889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5760000 + 2505889 = 2400^2 + 1583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8265889 is a prime.

It is not a weakly prime, because it can be changed into another prime (8265289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132944 + 4132945.

It is an arithmetic number, because the mean of its divisors is an integer number (4132945).

Almost surely, 2^8265889 is an apocalyptic number.

It is an amenable number.

8265889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8265889 is an equidigital number, since it uses as much as digits as its factorization.

8265889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 8265889 is about 2875.0459126769. The cubic root of 8265889 is about 202.1916375653.

The spelling of 8265889 in words is "eight million, two hundred sixty-five thousand, eight hundred eighty-nine".