43725625 has 20 divisors (see below), whose sum is σ = 55944592. Its totient is φ = 34146000.

The previous prime is 43725623. The next prime is 43725629. The reversal of 43725625 is 52652734.

It is not a de Polignac number, because 43725625 - 2¹ = 43725623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43725623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26062 + ... + 27688.

Almost surely, 2^43725625 is an apocalyptic number.

It is an amenable number.

43725625 is a deficient number, since it is larger than the sum of its proper divisors (12218967).

43725625 is an equidigital number, since it uses as much as digits as its factorization.

43725625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1675 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 43725625 is about 6612.5354441394. The cubic root of 43725625 is about 352.2994852440.

It can be divided in two parts, 437 and 25625, that added together give a palindrome (26062).

The spelling of 43725625 in words is "forty-three million, seven hundred twenty-five thousand, six hundred twenty-five".