9381825 has 60 divisors (see below), whose sum is σ = 17959788. Its totient is φ = 4838400.

The previous prime is 9381821. The next prime is 9381859. The reversal of 9381825 is 5281839.

9381825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4359744 + 5022081 = 2088^2 + 2241^2 .

It is not a de Polignac number, because 9381825 - 2² = 9381821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9381825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9381821) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 82969 + ... + 83081.

Almost surely, 2^9381825 is an apocalyptic number.

It is an amenable number.

9381825 is a deficient number, since it is larger than the sum of its proper divisors (8577963).

9381825 is a wasteful number, since it uses less digits than its factorization.

9381825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 162 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 9381825 is about 3062.9764935435. The cubic root of 9381825 is about 210.9093221620.

It can be divided in two parts, 93 and 81825, that added together give a palindrome (81918).

The spelling of 9381825 in words is "nine million, three hundred eighty-one thousand, eight hundred twenty-five".