5640503 has 8 divisors (see below), whose sum is σ = 6189456. Its totient is φ = 5097600.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640503 is 3050465.

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 5640503 - 2¹⁰ = 5639479 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 (5640533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (773682).

Almost surely, 2^5640503 is an apocalyptic number.

5640503 is a deficient number, since it is larger than the sum of its proper divisors (548953).

5640503 is a wasteful number, since it uses less digits than its factorization.

5640503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 5640503 is about 2374.9743156506. The cubic root of 5640503 is about 178.0079005878.

Adding to 5640503 its reverse (3050465), we get a palindrome (8690968).

The spelling of 5640503 in words is "five million, six hundred forty thousand, five hundred three".