5531003 has 4 divisors (see below), whose sum is σ = 5540808. Its totient is φ = 5521200.

The previous prime is 5530999. The next prime is 5531021. The reversal of 5531003 is 3001355.

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

It is a cyclic number.

It is not a de Polignac number, because 5531003 - 2² = 5530999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5534003) 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, 4001 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (1385202).

Almost surely, 2^5531003 is an apocalyptic number.

5531003 is a deficient number, since it is larger than the sum of its proper divisors (9805).

5531003 is an equidigital number, since it uses as much as digits as its factorization.

5531003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 5531003 is about 2351.8084530846. The cubic root of 5531003 is about 176.8484663882.

Adding to 5531003 its reverse (3001355), we get a palindrome (8532358).

The spelling of 5531003 in words is "five million, five hundred thirty-one thousand, three".