9925520 has 40 divisors (see below), whose sum is σ = 25176960. Its totient is φ = 3608960.

The previous prime is 9925519. The next prime is 9925537. The reversal of 9925520 is 255299.

9925520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (629424).

Almost surely, 2^9925520 is an apocalyptic number.

It is an amenable number.

9925520 is an abundant number, since it is smaller than the sum of its proper divisors (15251440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9925520 is a wasteful number, since it uses less digits than its factorization.

9925520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303 (or 11297 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 9925520 is about 3150.4793286102. The cubic root of 9925520 is about 214.9072612475.

It can be divided in two parts, 9 and 925520, that added together give a palindrome (925529).

The spelling of 9925520 in words is "nine million, nine hundred twenty-five thousand, five hundred twenty".