44481313 has 2 divisors, whose sum is σ = 44481314. Its totient is φ = 44481312.

The previous prime is 44481259. The next prime is 44481319. The reversal of 44481313 is 31318444.

44481313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34951744 + 9529569 = 5912^2 + 3087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44481313 is a prime.

It is not a weakly prime, because it can be changed into another prime (44481319) 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, 22240656 + 22240657.

It is an arithmetic number, because the mean of its divisors is an integer number (22240657).

Almost surely, 2^44481313 is an apocalyptic number.

It is an amenable number.

44481313 is a deficient number, since it is larger than the sum of its proper divisors (1).

44481313 is an equidigital number, since it uses as much as digits as its factorization.

44481313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 44481313 is about 6669.4312351204. The cubic root of 44481313 is about 354.3174427059.

Adding to 44481313 its reverse (31318444), we get a palindrome (75799757).

The spelling of 44481313 in words is "forty-four million, four hundred eighty-one thousand, three hundred thirteen".