21314003 has 8 divisors (see below), whose sum is σ = 21870000. Its totient is φ = 20763808.

The previous prime is 21313997. The next prime is 21314011. The reversal of 21314003 is 30041312.

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 21314003 - 2¹⁰ = 21312979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21314053) 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 7 ways as a sum of consecutive naturals, for example, 6548 + ... + 9246.

It is an arithmetic number, because the mean of its divisors is an integer number (2733750).

Almost surely, 2^21314003 is an apocalyptic number.

21314003 is a deficient number, since it is larger than the sum of its proper divisors (555997).

21314003 is a wasteful number, since it uses less digits than its factorization.

21314003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 21314003 is about 4616.7091093115. The cubic root of 21314003 is about 277.2607162730.

Adding to 21314003 its reverse (30041312), we get a palindrome (51355315).

The spelling of 21314003 in words is "twenty-one million, three hundred fourteen thousand, three".