41003663 has 2 divisors, whose sum is σ = 41003664. Its totient is φ = 41003662.

The previous prime is 41003657. The next prime is 41003671. The reversal of 41003663 is 36630014.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41003663 - 2¹⁴ = 40987279 is a prime.

It is a Sophie Germain prime.

41003663 is a modest number, since divided by 3663 gives 41 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41003063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20501831 + 20501832.

It is an arithmetic number, because the mean of its divisors is an integer number (20501832).

Almost surely, 2^41003663 is an apocalyptic number.

41003663 is a deficient number, since it is larger than the sum of its proper divisors (1).

41003663 is an equidigital number, since it uses as much as digits as its factorization.

41003663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 41003663 is about 6403.4102632894. The cubic root of 41003663 is about 344.8319926916.

Adding to 41003663 its reverse (36630014), we get a palindrome (77633677).

The spelling of 41003663 in words is "forty-one million, three thousand, six hundred sixty-three".