43572941 has 2 divisors, whose sum is σ = 43572942. Its totient is φ = 43572940.

The previous prime is 43572937. The next prime is 43572953. The reversal of 43572941 is 14927534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33396841 + 10176100 = 5779^2 + 3190^2 .

It is a cyclic number.

It is not a de Polignac number, because 43572941 - 2² = 43572937 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43572911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21786470 + 21786471.

It is an arithmetic number, because the mean of its divisors is an integer number (21786471).

Almost surely, 2^43572941 is an apocalyptic number.

It is an amenable number.

43572941 is a deficient number, since it is larger than the sum of its proper divisors (1).

43572941 is an equidigital number, since it uses as much as digits as its factorization.

43572941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 43572941 is about 6600.9803059849. The cubic root of 43572941 is about 351.8889462212. Note that the first 3 decimals are identical.

The spelling of 43572941 in words is "forty-three million, five hundred seventy-two thousand, nine hundred forty-one".