9908525 has 24 divisors (see below), whose sum is σ = 13552704. Its totient is φ = 7126400.

The previous prime is 9908513. The next prime is 9908527. The reversal of 9908525 is 5258099.

It is a happy number.

9908525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-9908525 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9908527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37544 + ... + 37806.

It is an arithmetic number, because the mean of its divisors is an integer number (564696).

Almost surely, 2^9908525 is an apocalyptic number.

It is an amenable number.

9908525 is a deficient number, since it is larger than the sum of its proper divisors (3644179).

9908525 is a wasteful number, since it uses less digits than its factorization.

9908525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 9908525 is about 3147.7809644256. The cubic root of 9908525 is about 214.7845326491.

The spelling of 9908525 in words is "nine million, nine hundred eight thousand, five hundred twenty-five".