44343521 has 4 divisors (see below), whose sum is σ = 44362500. Its totient is φ = 44324544.

The previous prime is 44343503. The next prime is 44343527. The reversal of 44343521 is 12534344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36300625 + 8042896 = 6025^2 + 2836^2 .

It is a cyclic number.

It is not a de Polignac number, because 44343521 - 2¹⁰ = 44342497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44343527) 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, 5396 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (11090625).

Almost surely, 2^44343521 is an apocalyptic number.

It is an amenable number.

44343521 is a deficient number, since it is larger than the sum of its proper divisors (18979).

44343521 is a wasteful number, since it uses less digits than its factorization.

44343521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18978.

The product of its digits is 5760, while the sum is 26.

The square root of 44343521 is about 6659.0931064222. The cubic root of 44343521 is about 353.9512019514.

Adding to 44343521 its reverse (12534344), we get a palindrome (56877865).

The spelling of 44343521 in words is "forty-four million, three hundred forty-three thousand, five hundred twenty-one".