43460881 has 2 divisors, whose sum is σ = 43460882. Its totient is φ = 43460880.

The previous prime is 43460867. The next prime is 43460909. The reversal of 43460881 is 18806434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43441281 + 19600 = 6591^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 43460881 - 2¹⁵ = 43428113 is a prime.

It is a super-2 number, since 2×43460881² = 3777696354592322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43460801) 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, 21730440 + 21730441.

It is an arithmetic number, because the mean of its divisors is an integer number (21730441).

Almost surely, 2^43460881 is an apocalyptic number.

It is an amenable number.

43460881 is a deficient number, since it is larger than the sum of its proper divisors (1).

43460881 is an equidigital number, since it uses as much as digits as its factorization.

43460881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 43460881 is about 6592.4867083673. The cubic root of 43460881 is about 351.5870269808.

The spelling of 43460881 in words is "forty-three million, four hundred sixty thousand, eight hundred eighty-one".