8663525 has 48 divisors (see below), whose sum is σ = 12915840. Its totient is φ = 5702400.

The previous prime is 8663521. The next prime is 8663537. The reversal of 8663525 is 5253668.

8663525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8663525 - 2² = 8663521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141995 + ... + 142055.

It is an arithmetic number, because the mean of its divisors is an integer number (269080).

Almost surely, 2^8663525 is an apocalyptic number.

It is an amenable number.

8663525 is a deficient number, since it is larger than the sum of its proper divisors (4252315).

8663525 is a wasteful number, since it uses less digits than its factorization.

8663525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 121 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 8663525 is about 2943.3866548587. The cubic root of 8663525 is about 205.3831817913.

The spelling of 8663525 in words is "eight million, six hundred sixty-three thousand, five hundred twenty-five".