43103641 has 4 divisors (see below), whose sum is σ = 49261312. Its totient is φ = 36945972.

The previous prime is 43103639. The next prime is 43103651. The reversal of 43103641 is 14630134.

43103641 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: 14630134 = 2 ⋅7315067.

It is not a de Polignac number, because 43103641 - 2¹ = 43103639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43103651) 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, 3078825 + ... + 3078838.

It is an arithmetic number, because the mean of its divisors is an integer number (12315328).

Almost surely, 2^43103641 is an apocalyptic number.

It is an amenable number.

43103641 is a deficient number, since it is larger than the sum of its proper divisors (6157671).

43103641 is an equidigital number, since it uses as much as digits as its factorization.

43103641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157670.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 43103641 is about 6565.3363204028. The cubic root of 43103641 is about 350.6210497213.

Adding to 43103641 its reverse (14630134), we get a palindrome (57733775).

It can be divided in two parts, 43 and 103641, that added together give a square (103684 = 322²).

The spelling of 43103641 in words is "forty-three million, one hundred three thousand, six hundred forty-one".