5638003 has 8 divisors (see below), whose sum is σ = 6782720. Its totient is φ = 4578120.

The previous prime is 5637997. The next prime is 5638019. The reversal of 5638003 is 3008365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5638003 is a prime.

5638003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5638043) 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, 21063 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (847840).

Almost surely, 2^5638003 is an apocalyptic number.

5638003 is a deficient number, since it is larger than the sum of its proper divisors (1144717).

5638003 is a wasteful number, since it uses less digits than its factorization.

5638003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42417.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5638003 is about 2374.4479358369. The cubic root of 5638003 is about 177.9815976431.

The spelling of 5638003 in words is "five million, six hundred thirty-eight thousand, three".