8105725 has 12 divisors (see below), whose sum is σ = 10376320. Its totient is φ = 6274800.

The previous prime is 8105711. The next prime is 8105731. The reversal of 8105725 is 5275018.

It is not a de Polignac number, because 8105725 - 2⁵ = 8105693 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8105693 and 8105702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4455 + ... + 6004.

Almost surely, 2^8105725 is an apocalyptic number.

It is an amenable number.

8105725 is a deficient number, since it is larger than the sum of its proper divisors (2270595).

8105725 is a wasteful number, since it uses less digits than its factorization.

8105725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500 (or 10495 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 8105725 is about 2847.0554964735. The cubic root of 8105725 is about 200.8771887415.

The spelling of 8105725 in words is "eight million, one hundred five thousand, seven hundred twenty-five".