9924525 has 90 divisors (see below), whose sum is σ = 20592990. Its totient is φ = 4717440.

The previous prime is 9924521. The next prime is 9924539. The reversal of 9924525 is 5254299.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 6215049 + 3709476 = 2493^2 + 1926^2 .

It is not a de Polignac number, because 9924525 - 2² = 9924521 is a prime.

Its product of digits (32400) is a multiple of the sum of its prime divisors (50).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9924525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9924521) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 342211 + ... + 342239.

It is an arithmetic number, because the mean of its divisors is an integer number (228811).

Almost surely, 2^9924525 is an apocalyptic number.

It is an amenable number.

9924525 is an abundant number, since it is smaller than the sum of its proper divisors (10668465).

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

9924525 is a wasteful number, since it uses less digits than its factorization.

9924525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 50 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 9924525 is about 3150.3214121737. The cubic root of 9924525 is about 214.9000797641.

The spelling of 9924525 in words is "nine million, nine hundred twenty-four thousand, five hundred twenty-five".