43696541 has 4 divisors (see below), whose sum is σ = 49938912. Its totient is φ = 37454172.

The previous prime is 43696537. The next prime is 43696571. The reversal of 43696541 is 14569634.

43696541 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14569634 = 2 ⋅7284817.

It is not a de Polignac number, because 43696541 - 2² = 43696537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43696495 and 43696504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43696501) 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, 3121175 + ... + 3121188.

It is an arithmetic number, because the mean of its divisors is an integer number (12484728).

Almost surely, 2^43696541 is an apocalyptic number.

It is an amenable number.

43696541 is a deficient number, since it is larger than the sum of its proper divisors (6242371).

43696541 is an equidigital number, since it uses as much as digits as its factorization.

43696541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242370.

The product of its digits is 77760, while the sum is 38.

The square root of 43696541 is about 6610.3359218727. The cubic root of 43696541 is about 352.2213575189.

The spelling of 43696541 in words is "forty-three million, six hundred ninety-six thousand, five hundred forty-one".