44195513 has 2 divisors, whose sum is σ = 44195514. Its totient is φ = 44195512.

The previous prime is 44195509. The next prime is 44195521. The reversal of 44195513 is 31559144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 1841449 = 6508^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 44195513 - 2² = 44195509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44195513.

It is not a weakly prime, because it can be changed into another prime (44195533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22097756 + 22097757.

It is an arithmetic number, because the mean of its divisors is an integer number (22097757).

Almost surely, 2^44195513 is an apocalyptic number.

It is an amenable number.

44195513 is a deficient number, since it is larger than the sum of its proper divisors (1).

44195513 is an equidigital number, since it uses as much as digits as its factorization.

44195513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 44195513 is about 6647.9705925944. The cubic root of 44195513 is about 353.5569616928.

The spelling of 44195513 in words is "forty-four million, one hundred ninety-five thousand, five hundred thirteen".