9880525 has 12 divisors (see below), whose sum is σ = 12484692. Its totient is φ = 7754240.

The previous prime is 9880489. The next prime is 9880529. The reversal of 9880525 is 5250889.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 164836 + 9715689 = 406^2 + 3117^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9880525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9880529) 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 11 ways as a sum of consecutive naturals, for example, 2404 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (1040391).

Almost surely, 2^9880525 is an apocalyptic number.

It is an amenable number.

9880525 is a deficient number, since it is larger than the sum of its proper divisors (2604167).

9880525 is a wasteful number, since it uses less digits than its factorization.

9880525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520 (or 7515 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 9880525 is about 3143.3302403661. The cubic root of 9880525 is about 214.5820255259.

The spelling of 9880525 in words is "nine million, eight hundred eighty thousand, five hundred twenty-five".