43889025 has 48 divisors (see below), whose sum is σ = 76820480. Its totient is φ = 22075200.

The previous prime is 43889009. The next prime is 43889029. The reversal of 43889025 is 52098834.

It is a happy number.

It is not a de Polignac number, because 43889025 - 2⁴ = 43889009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43889029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99756 + ... + 100194.

Almost surely, 2^43889025 is an apocalyptic number.

It is an amenable number.

43889025 is a deficient number, since it is larger than the sum of its proper divisors (32931455).

43889025 is a wasteful number, since it uses less digits than its factorization.

43889025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 43889025 is about 6624.8792441825. The cubic root of 43889025 is about 352.7377803157.

The spelling of 43889025 in words is "forty-three million, eight hundred eighty-nine thousand, twenty-five".