44524521 has 12 divisors (see below), whose sum is σ = 64648948. Its totient is φ = 29528064.

The previous prime is 44524511. The next prime is 44524523. The reversal of 44524521 is 12542544.

It can be written as a sum of positive squares in 2 ways, for example, as 13220496 + 31304025 = 3636^2 + 5595^2 .

It is not a de Polignac number, because 44524521 - 2⁵ = 44524489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44524523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11080 + ... + 14553.

Almost surely, 2^44524521 is an apocalyptic number.

It is an amenable number.

44524521 is a deficient number, since it is larger than the sum of its proper divisors (20124427).

44524521 is a wasteful number, since it uses less digits than its factorization.

44524521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25832 (or 25829 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 44524521 is about 6672.6697055976. The cubic root of 44524521 is about 354.4321305203.

The spelling of 44524521 in words is "forty-four million, five hundred twenty-four thousand, five hundred twenty-one".