21410014 has 4 divisors (see below), whose sum is σ = 32115024. Its totient is φ = 10705006.

The previous prime is 21410009. The next prime is 21410023. The reversal of 21410014 is 41001412.

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

It is a junction number, because it is equal to n+sod(n) for n = 21409976 and 21410003.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5352502 + ... + 5352505.

It is an arithmetic number, because the mean of its divisors is an integer number (8028756).

Almost surely, 2^21410014 is an apocalyptic number.

21410014 is a deficient number, since it is larger than the sum of its proper divisors (10705010).

21410014 is a wasteful number, since it uses less digits than its factorization.

21410014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705009.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 21410014 is about 4627.0956333320. The cubic root of 21410014 is about 277.6764086772.

Adding to 21410014 its reverse (41001412), we get a palindrome (62411426).

The spelling of 21410014 in words is "twenty-one million, four hundred ten thousand, fourteen".