43540103 has 2 divisors, whose sum is σ = 43540104. Its totient is φ = 43540102.

The previous prime is 43540087. The next prime is 43540141. The reversal of 43540103 is 30104534.

43540103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43540103 - 2⁴ = 43540087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43540163) 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 as a sum of consecutive naturals, namely, 21770051 + 21770052.

It is an arithmetic number, because the mean of its divisors is an integer number (21770052).

Almost surely, 2^43540103 is an apocalyptic number.

43540103 is a deficient number, since it is larger than the sum of its proper divisors (1).

43540103 is an equidigital number, since it uses as much as digits as its factorization.

43540103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43540103 is about 6598.4924793471. The cubic root of 43540103 is about 351.8005256480.

Adding to 43540103 its reverse (30104534), we get a palindrome (73644637).

The spelling of 43540103 in words is "forty-three million, five hundred forty thousand, one hundred three".