4421453 has 4 divisors (see below), whose sum is σ = 4425660. Its totient is φ = 4417248.

The previous prime is 4421449. The next prime is 4421467. The reversal of 4421453 is 3541244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 4008004 = 643^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421453 - 2² = 4421449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421413) 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 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (1106415).

Almost surely, 2^4421453 is an apocalyptic number.

It is an amenable number.

4421453 is a deficient number, since it is larger than the sum of its proper divisors (4207).

4421453 is a wasteful number, since it uses less digits than its factorization.

4421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206.

The product of its digits is 1920, while the sum is 23.

The square root of 4421453 is about 2102.7251365787. The cubic root of 4421453 is about 164.1301391185.

Adding to 4421453 its reverse (3541244), we get a palindrome (7962697).

The spelling of 4421453 in words is "four million, four hundred twenty-one thousand, four hundred fifty-three".