4181003 has 4 divisors (see below), whose sum is σ = 4193400. Its totient is φ = 4168608.

The previous prime is 4180987. The next prime is 4181041. The reversal of 4181003 is 3001814.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4181003 - 2⁴ = 4180987 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4181503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (1048350).

Almost surely, 2^4181003 is an apocalyptic number.

4181003 is a deficient number, since it is larger than the sum of its proper divisors (12397).

4181003 is a wasteful number, since it uses less digits than its factorization.

4181003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4181003 is about 2044.7501069813. The cubic root of 4181003 is about 161.0992405399.

Adding to 4181003 its reverse (3001814), we get a palindrome (7182817).

The spelling of 4181003 in words is "four million, one hundred eighty-one thousand, three".