43050881 has 2 divisors, whose sum is σ = 43050882. Its totient is φ = 43050880.

The previous prime is 43050863. The next prime is 43050883. The reversal of 43050881 is 18805034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 3297856 = 6305^2 + 1816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43050881 is a prime.

It is a super-2 number, since 2×43050881² = 3706756709752322, which contains 22 as substring.

Together with 43050883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43050883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21525440 + 21525441.

It is an arithmetic number, because the mean of its divisors is an integer number (21525441).

Almost surely, 2^43050881 is an apocalyptic number.

It is an amenable number.

43050881 is a deficient number, since it is larger than the sum of its proper divisors (1).

43050881 is an equidigital number, since it uses as much as digits as its factorization.

43050881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 43050881 is about 6561.3170171849. The cubic root of 43050881 is about 350.4779348246.

The spelling of 43050881 in words is "forty-three million, fifty thousand, eight hundred eighty-one".