8287725 has 12 divisors (see below), whose sum is σ = 13702496. Its totient is φ = 4420080.

The previous prime is 8287723. The next prime is 8287729. The reversal of 8287725 is 5277828.

It is not a de Polignac number, because 8287725 - 2¹ = 8287723 is a prime.

It is a Duffinian number.

It is a Curzon number.

8287725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8287723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55177 + ... + 55326.

Almost surely, 2^8287725 is an apocalyptic number.

It is an amenable number.

8287725 is a deficient number, since it is larger than the sum of its proper divisors (5414771).

8287725 is a wasteful number, since it uses less digits than its factorization.

8287725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110516 (or 110511 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 8287725 is about 2878.8409125896. The cubic root of 8287725 is about 202.3695242407.

The spelling of 8287725 in words is "eight million, two hundred eighty-seven thousand, seven hundred twenty-five".