43282681 has 4 divisors (see below), whose sum is σ = 46612132. Its totient is φ = 39953232.

The previous prime is 43282667. The next prime is 43282717. The reversal of 43282681 is 18628234.

43282681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19184400 + 24098281 = 4380^2 + 4909^2 .

It is a cyclic number.

It is not a de Polignac number, because 43282681 - 2¹³ = 43274489 is a prime.

It is a super-2 number, since 2×43282681² = 3746780949095522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43282601) 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 in 3 ways as a sum of consecutive naturals, for example, 1664706 + ... + 1664731.

It is an arithmetic number, because the mean of its divisors is an integer number (11653033).

Almost surely, 2^43282681 is an apocalyptic number.

It is an amenable number.

43282681 is a deficient number, since it is larger than the sum of its proper divisors (3329451).

43282681 is a wasteful number, since it uses less digits than its factorization.

43282681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329450.

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

The square root of 43282681 is about 6578.9574402028. The cubic root of 43282681 is about 351.1058384357.

The spelling of 43282681 in words is "forty-three million, two hundred eighty-two thousand, six hundred eighty-one".