44125521 has 16 divisors (see below), whose sum is σ = 65396160. Its totient is φ = 26237120.

The previous prime is 44125519. The next prime is 44125531. The reversal of 44125521 is 12552144.

It is not a de Polignac number, because 44125521 - 2¹ = 44125519 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44125491 and 44125500.

It is not an unprimeable number, because it can be changed into a prime (44125531) 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 15 ways as a sum of consecutive naturals, for example, 10866 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (4087260).

Almost surely, 2^44125521 is an apocalyptic number.

It is an amenable number.

44125521 is a deficient number, since it is larger than the sum of its proper divisors (21270639).

44125521 is a wasteful number, since it uses less digits than its factorization.

44125521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25296.

The product of its digits is 1600, while the sum is 24.

The square root of 44125521 is about 6642.7043438648. The cubic root of 44125521 is about 353.3702215156.

Adding to 44125521 its reverse (12552144), we get a palindrome (56677665).

The spelling of 44125521 in words is "forty-four million, one hundred twenty-five thousand, five hundred twenty-one".