43725425 has 12 divisors (see below), whose sum is σ = 54759516. Its totient is φ = 34632000.

The previous prime is 43725419. The next prime is 43725427. The reversal of 43725425 is 52452734.

43725425 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 4999696 + 38725729 = 2236^2 + 6223^2 .

It is not a de Polignac number, because 43725425 - 2⁶ = 43725361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43725391 and 43725400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43725427) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6134 + ... + 11183.

It is an arithmetic number, because the mean of its divisors is an integer number (4563293).

Almost surely, 2^43725425 is an apocalyptic number.

It is an amenable number.

43725425 is a deficient number, since it is larger than the sum of its proper divisors (11034091).

43725425 is a wasteful number, since it uses less digits than its factorization.

43725425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428 (or 17423 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 43725425 is about 6612.5203213298. The cubic root of 43725425 is about 352.2989481066.

The spelling of 43725425 in words is "forty-three million, seven hundred twenty-five thousand, four hundred twenty-five".