5581003 has 8 divisors (see below), whose sum is σ = 5947200. Its totient is φ = 5222088.

The previous prime is 5581001. The next prime is 5581027. The reversal of 5581003 is 3001855.

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 5581003 - 2¹ = 5581001 is a prime.

It is a super-2 number, since 2×5581003² = 62295188972018, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5581001) 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, 193 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (743400).

Almost surely, 2^5581003 is an apocalyptic number.

5581003 is a deficient number, since it is larger than the sum of its proper divisors (366197).

5581003 is a wasteful number, since it uses less digits than its factorization.

5581003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5581003 is about 2362.4146545431. The cubic root of 5581003 is about 177.3797691379.

Adding to 5581003 its reverse (3001855), we get a palindrome (8582858).

The spelling of 5581003 in words is "five million, five hundred eighty-one thousand, three".