44521717 has 2 divisors, whose sum is σ = 44521718. Its totient is φ = 44521716.

The previous prime is 44521681. The next prime is 44521733. The reversal of 44521717 is 71712544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 16208676 = 5321^2 + 4026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44521717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44521747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22260858 + 22260859.

It is an arithmetic number, because the mean of its divisors is an integer number (22260859).

Almost surely, 2^44521717 is an apocalyptic number.

It is an amenable number.

44521717 is a deficient number, since it is larger than the sum of its proper divisors (1).

44521717 is an equidigital number, since it uses as much as digits as its factorization.

44521717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 31.

The square root of 44521717 is about 6672.4595914850. The cubic root of 44521717 is about 354.4246900617.

The spelling of 44521717 in words is "forty-four million, five hundred twenty-one thousand, seven hundred seventeen".