43240625 has 24 divisors (see below), whose sum is σ = 54980856. Its totient is φ = 34000000.

The previous prime is 43240607. The next prime is 43240651. The reversal of 43240625 is 52604234.

43240625 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 12 ways, for example, as 37442161 + 5798464 = 6119^2 + 2408^2 .

It is not a de Polignac number, because 43240625 - 2¹⁶ = 43175089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43240594 and 43240603.

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 23 ways as a sum of consecutive naturals, for example, 315557 + ... + 315693.

It is an arithmetic number, because the mean of its divisors is an integer number (2290869).

Almost surely, 2^43240625 is an apocalyptic number.

It is an amenable number.

43240625 is a deficient number, since it is larger than the sum of its proper divisors (11740231).

43240625 is an equidigital number, since it uses as much as digits as its factorization.

43240625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 43240625 is about 6575.7604123021. The cubic root of 43240625 is about 350.9920832190.

Adding to 43240625 its reverse (52604234), we get a palindrome (95844859).

The spelling of 43240625 in words is "forty-three million, two hundred forty thousand, six hundred twenty-five".