8259525 has 18 divisors (see below), whose sum is σ = 14794130. Its totient is φ = 4404960.

The previous prime is 8259521. The next prime is 8259527. The reversal of 8259525 is 5259528.

8259525 is a `hidden beast` number, since 82 + 59 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 408321 + 7851204 = 639^2 + 2802^2 .

It is not a de Polignac number, because 8259525 - 2² = 8259521 is a prime.

8259525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8259525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8259521) 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 17 ways as a sum of consecutive naturals, for example, 18130 + ... + 18579.

Almost surely, 2^8259525 is an apocalyptic number.

It is an amenable number.

8259525 is a deficient number, since it is larger than the sum of its proper divisors (6534605).

8259525 is a wasteful number, since it uses less digits than its factorization.

8259525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36725 (or 36717 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 8259525 is about 2873.9389346331. The cubic root of 8259525 is about 202.1397343782.

The spelling of 8259525 in words is "eight million, two hundred fifty-nine thousand, five hundred twenty-five".