9009525 has 36 divisors (see below), whose sum is σ = 17154656. Its totient is φ = 4087200.

The previous prime is 9009521. The next prime is 9009527. The reversal of 9009525 is 5259009.

It is not a de Polignac number, because 9009525 - 2² = 9009521 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9009492 and 9009501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009521) 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 35 ways as a sum of consecutive naturals, for example, 68710 + ... + 68840.

Almost surely, 2^9009525 is an apocalyptic number.

It is an amenable number.

9009525 is a deficient number, since it is larger than the sum of its proper divisors (8145131).

9009525 is a wasteful number, since it uses less digits than its factorization.

9009525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 9009525 is about 3001.5870801961. The cubic root of 9009525 is about 208.0817371682.

The spelling of 9009525 in words is "nine million, nine thousand, five hundred twenty-five".