43027961 has 2 divisors, whose sum is σ = 43027962. Its totient is φ = 43027960.

The previous prime is 43027927. The next prime is 43027987. The reversal of 43027961 is 16972034.

43027961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 17272336 = 5075^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 43027961 - 2²² = 38833657 is a prime.

It is not a weakly prime, because it can be changed into another prime (43027661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21513980 + 21513981.

It is an arithmetic number, because the mean of its divisors is an integer number (21513981).

Almost surely, 2^43027961 is an apocalyptic number.

It is an amenable number.

43027961 is a deficient number, since it is larger than the sum of its proper divisors (1).

43027961 is an equidigital number, since it uses as much as digits as its factorization.

43027961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 43027961 is about 6559.5701840898. The cubic root of 43027961 is about 350.4157264171.

Adding to 43027961 its reverse (16972034), we get a palindrome (59999995).

The spelling of 43027961 in words is "forty-three million, twenty-seven thousand, nine hundred sixty-one".