9873225 has 24 divisors (see below), whose sum is σ = 18138720. Its totient is φ = 5265360.

The previous prime is 9873223. The next prime is 9873229. The reversal of 9873225 is 5223789.

It is a happy number.

9873225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9873225 - 2¹ = 9873223 is a prime.

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 9873225.

It is not an unprimeable number, because it can be changed into a prime (9873223) 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, 6639 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (755780).

Almost surely, 2^9873225 is an apocalyptic number.

It is an amenable number.

9873225 is a deficient number, since it is larger than the sum of its proper divisors (8265495).

9873225 is a wasteful number, since it uses less digits than its factorization.

9873225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646 (or 14635 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 9873225 is about 3142.1688369660. The cubic root of 9873225 is about 214.5291661646.

The spelling of 9873225 in words is "nine million, eight hundred seventy-three thousand, two hundred twenty-five".