14452021 has 2 divisors, whose sum is σ = 14452022. Its totient is φ = 14452020.

The previous prime is 14451973. The next prime is 14452079. The reversal of 14452021 is 12025441.

14452021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 239121 = 3770^2 + 489^2 .

It is an emirp because it is prime and its reverse (12025441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14452021 - 2⁷ = 14451893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14452021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14452421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7226010 + 7226011.

It is an arithmetic number, because the mean of its divisors is an integer number (7226011).

Almost surely, 2^14452021 is an apocalyptic number.

It is an amenable number.

14452021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14452021 is an equidigital number, since it uses as much as digits as its factorization.

14452021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 14452021 is about 3801.5813814780. The cubic root of 14452021 is about 243.5806927716.

Adding to 14452021 its reverse (12025441), we get a palindrome (26477462).

The spelling of 14452021 in words is "fourteen million, four hundred fifty-two thousand, twenty-one".