5444521 has 4 divisors (see below), whose sum is σ = 5451732. Its totient is φ = 5437312.

The previous prime is 5444519. The next prime is 5444533. The reversal of 5444521 is 1254445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1254445 = 5 ⋅250889.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 1488400 = 1989^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 5444521 - 2¹ = 5444519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5444501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (1362933).

Almost surely, 2^5444521 is an apocalyptic number.

It is an amenable number.

5444521 is a deficient number, since it is larger than the sum of its proper divisors (7211).

5444521 is an equidigital number, since it uses as much as digits as its factorization.

5444521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210.

The product of its digits is 3200, while the sum is 25.

The square root of 5444521 is about 2333.3497380376. The cubic root of 5444521 is about 175.9218941482.

Adding to 5444521 its reverse (1254445), we get a palindrome (6698966).

The spelling of 5444521 in words is "five million, four hundred forty-four thousand, five hundred twenty-one".