8025489 has 24 divisors (see below), whose sum is σ = 12153960. Its totient is φ = 5096448.

The previous prime is 8025487. The next prime is 8025491. The reversal of 8025489 is 9845208.

It is an interprime number because it is at equal distance from previous prime (8025487) and next prime (8025491).

It can be written as a sum of positive squares in 4 ways, for example, as 90000 + 7935489 = 300^2 + 2817^2 .

It is not a de Polignac number, because 8025489 - 2¹ = 8025487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8025487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25159 + ... + 25475.

It is an arithmetic number, because the mean of its divisors is an integer number (506415).

Almost surely, 2^8025489 is an apocalyptic number.

It is an amenable number.

8025489 is a deficient number, since it is larger than the sum of its proper divisors (4128471).

8025489 is a wasteful number, since it uses less digits than its factorization.

8025489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8025489 is about 2832.9294025796. The cubic root of 8025489 is about 200.2121831453.

The spelling of 8025489 in words is "eight million, twenty-five thousand, four hundred eighty-nine".