8284725 has 18 divisors (see below), whose sum is σ = 14839266. Its totient is φ = 4418400.

The previous prime is 8284709. The next prime is 8284739. The reversal of 8284725 is 5274828.

It is a happy number.

8284725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 213444 + 8071281 = 462^2 + 2841^2 .

It is not a de Polignac number, because 8284725 - 2⁴ = 8284709 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8284725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18186 + ... + 18635.

Almost surely, 2^8284725 is an apocalyptic number.

It is an amenable number.

8284725 is a deficient number, since it is larger than the sum of its proper divisors (6554541).

8284725 is a wasteful number, since it uses less digits than its factorization.

8284725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36837 (or 36829 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 8284725 is about 2878.3198223964. The cubic root of 8284725 is about 202.3451033113.

It can be divided in two parts, 8284 and 725, that added together give a palindrome (9009).

The spelling of 8284725 in words is "eight million, two hundred eighty-four thousand, seven hundred twenty-five".