44580013 has 2 divisors, whose sum is σ = 44580014. Its totient is φ = 44580012.

The previous prime is 44579999. The next prime is 44580031. The reversal of 44580013 is 31008544.

44580013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (44580031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41242084 + 3337929 = 6422^2 + 1827^2 .

It is a cyclic number.

It is not a de Polignac number, because 44580013 - 2⁵ = 44579981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44580013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44580043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22290006 + 22290007.

It is an arithmetic number, because the mean of its divisors is an integer number (22290007).

Almost surely, 2^44580013 is an apocalyptic number.

It is an amenable number.

44580013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44580013 is an equidigital number, since it uses as much as digits as its factorization.

44580013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 44580013 is about 6676.8265665659. The cubic root of 44580013 is about 354.5793152029.

Adding to 44580013 its reverse (31008544), we get a palindrome (75588557).

The spelling of 44580013 in words is "forty-four million, five hundred eighty thousand, thirteen".