21714050 has 18 divisors (see below), whose sum is σ = 40449513. Its totient is φ = 8672440.

The previous prime is 21714041. The next prime is 21714053. The reversal of 21714050 is 5041712.

It can be written as a sum of positive squares in 2 ways, for example, as 21279769 + 434281 = 4613^2 + 659^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3295.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21714053) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32621 + ... + 33279.

Almost surely, 2^21714050 is an apocalyptic number.

21714050 is a deficient number, since it is larger than the sum of its proper divisors (18735463).

21714050 is an frugal number, since it uses more digits than its factorization.

21714050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 21714050 is about 4659.8336880193. The cubic root of 21714050 is about 278.9846302175.

Adding to 21714050 its reverse (5041712), we get a palindrome (26755762).

The spelling of 21714050 in words is "twenty-one million, seven hundred fourteen thousand, fifty".