5481221 has 4 divisors (see below), whose sum is σ = 5487744. Its totient is φ = 5474700.

The previous prime is 5481211. The next prime is 5481227. The reversal of 5481221 is 1221845.

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 5481221 - 2¹⁰ = 5480197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481227) 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, 1775 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (1371936).

Almost surely, 2^5481221 is an apocalyptic number.

It is an amenable number.

5481221 is a deficient number, since it is larger than the sum of its proper divisors (6523).

5481221 is an equidigital number, since it uses as much as digits as its factorization.

5481221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522.

The product of its digits is 640, while the sum is 23.

The square root of 5481221 is about 2341.2007602937. The cubic root of 5481221 is about 176.3162894687.

The spelling of 5481221 in words is "five million, four hundred eighty-one thousand, two hundred twenty-one".