43088861 has 2 divisors, whose sum is σ = 43088862. Its totient is φ = 43088860.

The previous prime is 43088833. The next prime is 43088879. The reversal of 43088861 is 16888034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 4884100 = 6181^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 43088861 - 2⁶ = 43088797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43088161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21544430 + 21544431.

It is an arithmetic number, because the mean of its divisors is an integer number (21544431).

Almost surely, 2^43088861 is an apocalyptic number.

It is an amenable number.

43088861 is a deficient number, since it is larger than the sum of its proper divisors (1).

43088861 is an equidigital number, since it uses as much as digits as its factorization.

43088861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 43088861 is about 6564.2106151463. The cubic root of 43088861 is about 350.5809698006.

The spelling of 43088861 in words is "forty-three million, eighty-eight thousand, eight hundred sixty-one".