8165025 has 36 divisors (see below), whose sum is σ = 15958800. Its totient is φ = 3957600.

The previous prime is 8165011. The next prime is 8165029. The reversal of 8165025 is 5205618.

8165025 is a `hidden beast` number, since 8 + 1 + 650 + 2 + 5 = 666.

It is not a de Polignac number, because 8165025 - 2⁵ = 8164993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8165025.

It is not an unprimeable number, because it can be changed into a prime (8165029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 826 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (443300).

Almost surely, 2^8165025 is an apocalyptic number.

It is an amenable number.

8165025 is a deficient number, since it is larger than the sum of its proper divisors (7793775).

8165025 is a wasteful number, since it uses less digits than its factorization.

8165025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 8165025 is about 2857.4507869778. The cubic root of 8165025 is about 201.3658592418.

It can be divided in two parts, 81 and 65025, that multiplied together give a square (5267025 = 2295²).

The spelling of 8165025 in words is "eight million, one hundred sixty-five thousand, twenty-five".