43625 has 8 divisors (see below), whose sum is σ = 54600. Its totient is φ = 34800.

The previous prime is 43613. The next prime is 43627. The reversal of 43625 is 52634.

43625 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 361 + 43264 = 19^2 + 208^2 .

It is not a de Polignac number, because 43625 - 2⁴ = 43609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43597 and 43606.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43625.

It is not an unprimeable number, because it can be changed into a prime (43627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50 + ... + 299.

It is an arithmetic number, because the mean of its divisors is an integer number (6825).

2⁴³⁶²⁵ is an apocalyptic number.

It is an amenable number.

43625 is a deficient number, since it is larger than the sum of its proper divisors (10975).

43625 is an equidigital number, since it uses as much as digits as its factorization.

43625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 354 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 43625 is about 208.8659857421. The cubic root of 43625 is about 35.2029030836.

Subtracting 43625 from its reverse (52634), we obtain a palindrome (9009).

The spelling of 43625 in words is "forty-three thousand, six hundred twenty-five".