44575913 has 2 divisors, whose sum is σ = 44575914. Its totient is φ = 44575912.

The previous prime is 44575891. The next prime is 44575939. The reversal of 44575913 is 31957544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40094224 + 4481689 = 6332^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 44575913 - 2⁶ = 44575849 is a prime.

It is not a weakly prime, because it can be changed into another prime (44575213) 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 as a sum of consecutive naturals, namely, 22287956 + 22287957.

It is an arithmetic number, because the mean of its divisors is an integer number (22287957).

Almost surely, 2^44575913 is an apocalyptic number.

It is an amenable number.

44575913 is a deficient number, since it is larger than the sum of its proper divisors (1).

44575913 is an equidigital number, since it uses as much as digits as its factorization.

44575913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 44575913 is about 6676.5195274185. The cubic root of 44575913 is about 354.5684447128.

The spelling of 44575913 in words is "forty-four million, five hundred seventy-five thousand, nine hundred thirteen".