4003063 has 4 divisors (see below), whose sum is σ = 4009608. Its totient is φ = 3996520.

The previous prime is 4003057. The next prime is 4003079. The reversal of 4003063 is 3603004.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4003063 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 (4003033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (1002402).

Almost surely, 2^4003063 is an apocalyptic number.

4003063 is a deficient number, since it is larger than the sum of its proper divisors (6545).

4003063 is an equidigital number, since it uses as much as digits as its factorization.

4003063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 4003063 is about 2000.7656034628. The cubic root of 4003063 is about 158.7806132707.

Adding to 4003063 its reverse (3603004), we get a palindrome (7606067).

The spelling of 4003063 in words is "four million, three thousand, sixty-three".