40103603 has 2 divisors, whose sum is σ = 40103604. Its totient is φ = 40103602.

The previous prime is 40103593. The next prime is 40103611. The reversal of 40103603 is 30630104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40103603 - 2⁸ = 40103347 is a prime.

It is not a weakly prime, because it can be changed into another prime (40103633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051801 + 20051802.

It is an arithmetic number, because the mean of its divisors is an integer number (20051802).

Almost surely, 2^40103603 is an apocalyptic number.

40103603 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103603 is an equidigital number, since it uses as much as digits as its factorization.

40103603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 40103603 is about 6332.7405599788. The cubic root of 40103603 is about 342.2901991792.

Adding to 40103603 its reverse (30630104), we get a palindrome (70733707).

The spelling of 40103603 in words is "forty million, one hundred three thousand, six hundred three".