43043225 has 6 divisors (see below), whose sum is σ = 53373630. Its totient is φ = 34434560.

The previous prime is 43043207. The next prime is 43043243. The reversal of 43043225 is 52234034.

It is an interprime number because it is at equal distance from previous prime (43043207) and next prime (43043243).

It can be written as a sum of positive squares in 3 ways, for example, as 1466521 + 41576704 = 1211^2 + 6448^2 .

It is not a de Polignac number, because 43043225 - 2²⁰ = 41994649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43043225.

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 5 ways as a sum of consecutive naturals, for example, 860840 + ... + 860889.

It is an arithmetic number, because the mean of its divisors is an integer number (8895605).

Almost surely, 2^43043225 is an apocalyptic number.

It is an amenable number.

43043225 is a deficient number, since it is larger than the sum of its proper divisors (10330405).

43043225 is a wasteful number, since it uses less digits than its factorization.

43043225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721739 (or 1721734 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 43043225 is about 6560.7335717891. The cubic root of 43043225 is about 350.4571577187.

Adding to 43043225 its reverse (52234034), we get a palindrome (95277259).

The spelling of 43043225 in words is "forty-three million, forty-three thousand, two hundred twenty-five".