9888525 has 36 divisors (see below), whose sum is σ = 17989920. Its totient is φ = 5191200.

The previous prime is 9888521. The next prime is 9888533. The reversal of 9888525 is 5258889.

9888525 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9888525 - 2² = 9888521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15666 + ... + 16284.

It is an arithmetic number, because the mean of its divisors is an integer number (499720).

Almost surely, 2^9888525 is an apocalyptic number.

It is an amenable number.

9888525 is a deficient number, since it is larger than the sum of its proper divisors (8101395).

9888525 is a wasteful number, since it uses less digits than its factorization.

9888525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 698 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 9888525 is about 3144.6025186023. The cubic root of 9888525 is about 214.6399237011.

The spelling of 9888525 in words is "nine million, eight hundred eighty-eight thousand, five hundred twenty-five".