104440517 has 2 divisors, whose sum is σ = 104440518. Its totient is φ = 104440516.

The previous prime is 104440487. The next prime is 104440541. The reversal of 104440517 is 715044401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102232321 + 2208196 = 10111^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 104440517 - 2¹² = 104436421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104440547) 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, 52220258 + 52220259.

It is an arithmetic number, because the mean of its divisors is an integer number (52220259).

Almost surely, 2^104440517 is an apocalyptic number.

It is an amenable number.

104440517 is a deficient number, since it is larger than the sum of its proper divisors (1).

104440517 is an equidigital number, since it uses as much as digits as its factorization.

104440517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 104440517 is about 10219.6143273609. The cubic root of 104440517 is about 470.9299784867.

Adding to 104440517 its reverse (715044401), we get a palindrome (819484918).

The spelling of 104440517 in words is "one hundred four million, four hundred forty thousand, five hundred seventeen".