43272011 has 2 divisors, whose sum is σ = 43272012. Its totient is φ = 43272010.

The previous prime is 43271999. The next prime is 43272041. The reversal of 43272011 is 11027234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43272011 - 2¹⁸ = 43009867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43272041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21636005 + 21636006.

It is an arithmetic number, because the mean of its divisors is an integer number (21636006).

Almost surely, 2^43272011 is an apocalyptic number.

43272011 is a deficient number, since it is larger than the sum of its proper divisors (1).

43272011 is an equidigital number, since it uses as much as digits as its factorization.

43272011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 43272011 is about 6578.1464714614. The cubic root of 43272011 is about 351.0769846532.

Adding to 43272011 its reverse (11027234), we get a palindrome (54299245).

The spelling of 43272011 in words is "forty-three million, two hundred seventy-two thousand, eleven".