5453221 has 4 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 5428972.

The previous prime is 5453219. The next prime is 5453233. The reversal of 5453221 is 1223545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5453221 - 2¹ = 5453219 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5453192 and 5453201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5453281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11785 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (1369368).

Almost surely, 2^5453221 is an apocalyptic number.

It is an amenable number.

5453221 is a deficient number, since it is larger than the sum of its proper divisors (24251).

5453221 is a wasteful number, since it uses less digits than its factorization.

5453221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250.

The product of its digits is 1200, while the sum is 22.

The square root of 5453221 is about 2335.2132664919. The cubic root of 5453221 is about 176.0155482992.

Adding to 5453221 its reverse (1223545), we get a palindrome (6676766).

The spelling of 5453221 in words is "five million, four hundred fifty-three thousand, two hundred twenty-one".