8189025 has 48 divisors (see below), whose sum is σ = 15040704. Its totient is φ = 3905280.

The previous prime is 8189021. The next prime is 8189033. The reversal of 8189025 is 5209818.

It is a happy number.

It is not a de Polignac number, because 8189025 - 2² = 8189021 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8189021) 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 47 ways as a sum of consecutive naturals, for example, 35962 + ... + 36188.

It is an arithmetic number, because the mean of its divisors is an integer number (313348).

Almost surely, 2^8189025 is an apocalyptic number.

It is an amenable number.

8189025 is a deficient number, since it is larger than the sum of its proper divisors (6851679).

8189025 is a wasteful number, since it uses less digits than its factorization.

8189025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 8189025 is about 2861.6472528947. The cubic root of 8189025 is about 201.5629622608.

The spelling of 8189025 in words is "eight million, one hundred eighty-nine thousand, twenty-five".