5618003 has 4 divisors (see below), whose sum is σ = 5862288. Its totient is φ = 5373720.

The previous prime is 5617999. The next prime is 5618009. The reversal of 5618003 is 3008165.

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

It is not a de Polignac number, because 5618003 - 2² = 5617999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 244261 = 5618003 / (5 + 6 + 1 + 8 + 0 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5618003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618009) 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, 122108 + ... + 122153.

It is an arithmetic number, because the mean of its divisors is an integer number (1465572).

Almost surely, 2^5618003 is an apocalyptic number.

5618003 is a deficient number, since it is larger than the sum of its proper divisors (244285).

5618003 is a wasteful number, since it uses less digits than its factorization.

5618003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244284.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5618003 is about 2370.2326889991. The cubic root of 5618003 is about 177.7708936426.

The spelling of 5618003 in words is "five million, six hundred eighteen thousand, three".