43225865 has 8 divisors (see below), whose sum is σ = 52602048. Its totient is φ = 34093360.

The previous prime is 43225859. The next prime is 43225913. The reversal of 43225865 is 56852234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-43225865 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60527 + ... + 61236.

It is an arithmetic number, because the mean of its divisors is an integer number (6575256).

Almost surely, 2^43225865 is an apocalyptic number.

It is an amenable number.

43225865 is a deficient number, since it is larger than the sum of its proper divisors (9376183).

43225865 is a wasteful number, since it uses less digits than its factorization.

43225865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121839.

The product of its digits is 57600, while the sum is 35.

The square root of 43225865 is about 6574.6380128491. The cubic root of 43225865 is about 350.9521421318.

The spelling of 43225865 in words is "forty-three million, two hundred twenty-five thousand, eight hundred sixty-five".