43488481 has 4 divisors (see below), whose sum is σ = 43780500. Its totient is φ = 43196464.

The previous prime is 43488457. The next prime is 43488491. The reversal of 43488481 is 18488434.

43488481 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, and also an emirpimes, since its reverse is a distinct semiprime: 18488434 = 2 ⋅9244217.

It can be written as a sum of positive squares in 2 ways, for example, as 10137856 + 33350625 = 3184^2 + 5775^2 .

It is a cyclic number.

It is not a de Polignac number, because 43488481 - 2⁷ = 43488353 is a prime.

It is a super-2 number, since 2×43488481² = 3782495959374722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43488421) 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, 145786 + ... + 146083.

It is an arithmetic number, because the mean of its divisors is an integer number (10945125).

Almost surely, 2^43488481 is an apocalyptic number.

It is an amenable number.

43488481 is a deficient number, since it is larger than the sum of its proper divisors (292019).

43488481 is a wasteful number, since it uses less digits than its factorization.

43488481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292018.

The product of its digits is 98304, while the sum is 40.

The square root of 43488481 is about 6594.5796681820. The cubic root of 43488481 is about 351.6614367972.

The spelling of 43488481 in words is "forty-three million, four hundred eighty-eight thousand, four hundred eighty-one".