43007225 has 6 divisors (see below), whose sum is σ = 53328990. Its totient is φ = 34405760.

The previous prime is 43007191. The next prime is 43007269. The reversal of 43007225 is 52270034.

43007225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9320809 + 33686416 = 3053^2 + 5804^2 .

It is not a de Polignac number, because 43007225 - 2⁸ = 43006969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43007225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860120 + ... + 860169.

It is an arithmetic number, because the mean of its divisors is an integer number (8888165).

Almost surely, 2^43007225 is an apocalyptic number.

It is an amenable number.

43007225 is a deficient number, since it is larger than the sum of its proper divisors (10321765).

43007225 is a wasteful number, since it uses less digits than its factorization.

43007225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720299 (or 1720294 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 43007225 is about 6557.9894022482. The cubic root of 43007225 is about 350.3594266848.

Adding to 43007225 its reverse (52270034), we get a palindrome (95277259).

The spelling of 43007225 in words is "forty-three million, seven thousand, two hundred twenty-five".