21441314 has 8 divisors (see below), whose sum is σ = 32181840. Its totient is φ = 10714036.

The previous prime is 21441289. The next prime is 21441323. The reversal of 21441314 is 41314412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3737 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (4022730).

Almost surely, 2^21441314 is an apocalyptic number.

21441314 is a deficient number, since it is larger than the sum of its proper divisors (10740526).

21441314 is a wasteful number, since it uses less digits than its factorization.

21441314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624.

The product of its digits is 384, while the sum is 20.

The square root of 21441314 is about 4630.4766493310. The cubic root of 21441314 is about 277.8116575328.

Adding to 21441314 its reverse (41314412), we get a palindrome (62755726).

The spelling of 21441314 in words is "twenty-one million, four hundred forty-one thousand, three hundred fourteen".