4013003 has 8 divisors (see below), whose sum is σ = 4322160. Its totient is φ = 3712000.

The previous prime is 4012999. The next prime is 4013021. The reversal of 4013003 is 3003104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4013003 - 2² = 4012999 is a prime.

It is a super-2 number, since 2×4013003² = 32208386156018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4016003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (540270).

Almost surely, 2^4013003 is an apocalyptic number.

4013003 is a deficient number, since it is larger than the sum of its proper divisors (309157).

4013003 is a wasteful number, since it uses less digits than its factorization.

4013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 4013003 is about 2003.2481124414. The cubic root of 4013003 is about 158.9119272799.

Adding to 4013003 its reverse (3003104), we get a palindrome (7016107).

The spelling of 4013003 in words is "four million, thirteen thousand, three".