5621003 has 8 divisors (see below), whose sum is σ = 5908848. Its totient is φ = 5340384.

The previous prime is 5620997. The next prime is 5621023. The reversal of 5621003 is 3001265.

5621003 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5621003 - 2⁴ = 5620987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621023) 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, 176 + ... + 3357.

It is an arithmetic number, because the mean of its divisors is an integer number (738606).

Almost surely, 2^5621003 is an apocalyptic number.

5621003 is a deficient number, since it is larger than the sum of its proper divisors (287845).

5621003 is a wasteful number, since it uses less digits than its factorization.

5621003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 5621003 is about 2370.8654537953. The cubic root of 5621003 is about 177.8025310874.

Adding to 5621003 its reverse (3001265), we get a palindrome (8622268).

The spelling of 5621003 in words is "five million, six hundred twenty-one thousand, three".