43530103 has 2 divisors, whose sum is σ = 43530104. Its totient is φ = 43530102.

The previous prime is 43530089. The next prime is 43530127. The reversal of 43530103 is 30103534.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43530103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43530133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21765051 + 21765052.

It is an arithmetic number, because the mean of its divisors is an integer number (21765052).

Almost surely, 2^43530103 is an apocalyptic number.

43530103 is a deficient number, since it is larger than the sum of its proper divisors (1).

43530103 is an equidigital number, since it uses as much as digits as its factorization.

43530103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 43530103 is about 6597.7346869967. The cubic root of 43530103 is about 351.7735905210.

Adding to 43530103 its reverse (30103534), we get a palindrome (73633637).

The spelling of 43530103 in words is "forty-three million, five hundred thirty thousand, one hundred three".