43272641 has 2 divisors, whose sum is σ = 43272642. Its totient is φ = 43272640.

The previous prime is 43272629. The next prime is 43272653. The reversal of 43272641 is 14627234.

It is a balanced prime because it is at equal distance from previous prime (43272629) and next prime (43272653).

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 18671041 = 4960^2 + 4321^2 .

It is a cyclic number.

It is not a de Polignac number, because 43272641 - 2¹⁸ = 43010497 is a prime.

It is a super-2 number, since 2×43272641² = 3745042918229762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43272661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21636320 + 21636321.

It is an arithmetic number, because the mean of its divisors is an integer number (21636321).

Almost surely, 2^43272641 is an apocalyptic number.

It is an amenable number.

43272641 is a deficient number, since it is larger than the sum of its proper divisors (1).

43272641 is an equidigital number, since it uses as much as digits as its factorization.

43272641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 43272641 is about 6578.1943571165. The cubic root of 43272641 is about 351.0786884291.

Adding to 43272641 its reverse (14627234), we get a palindrome (57899875).

The spelling of 43272641 in words is "forty-three million, two hundred seventy-two thousand, six hundred forty-one".