43125664 has 24 divisors (see below), whose sum is σ = 85347108. Its totient is φ = 21450240.

The previous prime is 43125661. The next prime is 43125673. The reversal of 43125664 is 46652134.

It can be written as a sum of positive squares in 2 ways, for example, as 34715664 + 8410000 = 5892^2 + 2900^2 .

It is not an unprimeable number, because it can be changed into a prime (43125661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2884 + ... + 9724.

Almost surely, 2^43125664 is an apocalyptic number.

It is an amenable number.

43125664 is a deficient number, since it is larger than the sum of its proper divisors (42221444).

43125664 is a wasteful number, since it uses less digits than its factorization.

43125664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048 (or 7040 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 43125664 is about 6567.0133241832. The cubic root of 43125664 is about 350.6807539789.

Adding to 43125664 its reverse (46652134), we get a palindrome (89777798).

The spelling of 43125664 in words is "forty-three million, one hundred twenty-five thousand, six hundred sixty-four".