43971325 has 12 divisors (see below), whose sum is σ = 55183968. Its totient is φ = 34751600.

The previous prime is 43971313. The next prime is 43971349. The reversal of 43971325 is 52317934.

It is not a de Polignac number, because 43971325 - 2⁵ = 43971293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8521 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (4598664).

Almost surely, 2^43971325 is an apocalyptic number.

It is an amenable number.

43971325 is a deficient number, since it is larger than the sum of its proper divisors (11212643).

43971325 is a wasteful number, since it uses less digits than its factorization.

43971325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284 (or 21279 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 43971325 is about 6631.0877689863. The cubic root of 43971325 is about 352.9581253979.

The spelling of 43971325 in words is "forty-three million, nine hundred seventy-one thousand, three hundred twenty-five".