41003999 has 4 divisors (see below), whose sum is σ = 42417960. Its totient is φ = 39590040.

The previous prime is 41003993. The next prime is 41004023. The reversal of 41003999 is 99930014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99930014 = 2 ⋅49965007.

It is a cyclic number.

It is not a de Polignac number, because 41003999 - 2¹⁶ = 40938463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41003993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706937 + ... + 706994.

It is an arithmetic number, because the mean of its divisors is an integer number (10604490).

Almost surely, 2^41003999 is an apocalyptic number.

41003999 is a deficient number, since it is larger than the sum of its proper divisors (1413961).

41003999 is a wasteful number, since it uses less digits than its factorization.

41003999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413960.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 41003999 is about 6403.4364992557. The cubic root of 41003999 is about 344.8329345850.

The spelling of 41003999 in words is "forty-one million, three thousand, nine hundred ninety-nine".