43604125 has 8 divisors (see below), whose sum is σ = 54418104. Its totient is φ = 34883200.

The previous prime is 43604111. The next prime is 43604137. The reversal of 43604125 is 52140634.

43604125 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 4 ways, for example, as 13111641 + 30492484 = 3621^2 + 5522^2 .

It is not a de Polignac number, because 43604125 - 2¹⁹ = 43079837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43604125.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 174292 + ... + 174541.

It is an arithmetic number, because the mean of its divisors is an integer number (6802263).

Almost surely, 2^43604125 is an apocalyptic number.

It is an amenable number.

43604125 is a deficient number, since it is larger than the sum of its proper divisors (10813979).

43604125 is an equidigital number, since it uses as much as digits as its factorization.

43604125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348848 (or 348838 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 43604125 is about 6603.3419569185. The cubic root of 43604125 is about 351.9728720700.

Adding to 43604125 its reverse (52140634), we get a palindrome (95744759).

The spelling of 43604125 in words is "forty-three million, six hundred four thousand, one hundred twenty-five".