44605013 has 2 divisors, whose sum is σ = 44605014. Its totient is φ = 44605012.

The previous prime is 44605009. The next prime is 44605031. The reversal of 44605013 is 31050644.

It is a happy number.

44605013 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 (44605031) 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., 31114084 + 13490929 = 5578^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 44605013 - 2² = 44605009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44605013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44605513) 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, 22302506 + 22302507.

It is an arithmetic number, because the mean of its divisors is an integer number (22302507).

Almost surely, 2^44605013 is an apocalyptic number.

It is an amenable number.

44605013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44605013 is an equidigital number, since it uses as much as digits as its factorization.

44605013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 44605013 is about 6678.6984510457. The cubic root of 44605013 is about 354.6455842606.

Adding to 44605013 its reverse (31050644), we get a palindrome (75655657).

The spelling of 44605013 in words is "forty-four million, six hundred five thousand, thirteen".