43073603 has 2 divisors, whose sum is σ = 43073604. Its totient is φ = 43073602.

The previous prime is 43073567. The next prime is 43073629. The reversal of 43073603 is 30637034.

It is an a-pointer prime, because the next prime (43073629) can be obtained adding 43073603 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43073603 - 2⁸ = 43073347 is a prime.

It is not a weakly prime, because it can be changed into another prime (43073633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21536801 + 21536802.

It is an arithmetic number, because the mean of its divisors is an integer number (21536802).

Almost surely, 2^43073603 is an apocalyptic number.

43073603 is a deficient number, since it is larger than the sum of its proper divisors (1).

43073603 is an equidigital number, since it uses as much as digits as its factorization.

43073603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 43073603 is about 6563.0483009041. The cubic root of 43073603 is about 350.5395840392.

The spelling of 43073603 in words is "forty-three million, seventy-three thousand, six hundred three".