43872025 has 12 divisors (see below), whose sum is σ = 54488700. Its totient is φ = 35041280.

The previous prime is 43872013. The next prime is 43872043. The reversal of 43872025 is 52027834.

It can be written as a sum of positive squares in 6 ways, for example, as 9144576 + 34727449 = 3024^2 + 5893^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43872025 is a prime.

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, 22281 + ... + 24169.

It is an arithmetic number, because the mean of its divisors is an integer number (4540725).

Almost surely, 2^43872025 is an apocalyptic number.

It is an amenable number.

43872025 is a deficient number, since it is larger than the sum of its proper divisors (10616675).

43872025 is a wasteful number, since it uses less digits than its factorization.

43872025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 43872025 is about 6623.5960776605. The cubic root of 43872025 is about 352.6922312165.

Adding to 43872025 its reverse (52027834), we get a palindrome (95899859).

The spelling of 43872025 in words is "forty-three million, eight hundred seventy-two thousand, twenty-five".