104243417 has 2 divisors, whose sum is σ = 104243418. Its totient is φ = 104243416.

The previous prime is 104243387. The next prime is 104243453. The reversal of 104243417 is 714342401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104121616 + 121801 = 10204^2 + 349^2 .

It is an emirp because it is prime and its reverse (714342401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104243417 - 2¹⁰ = 104242393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104243497) 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, 52121708 + 52121709.

It is an arithmetic number, because the mean of its divisors is an integer number (52121709).

Almost surely, 2^104243417 is an apocalyptic number.

It is an amenable number.

104243417 is a deficient number, since it is larger than the sum of its proper divisors (1).

104243417 is an equidigital number, since it uses as much as digits as its factorization.

104243417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 104243417 is about 10209.9665523448. The cubic root of 104243417 is about 470.6335457968.

Adding to 104243417 its reverse (714342401), we get a palindrome (818585818).

The spelling of 104243417 in words is "one hundred four million, two hundred forty-three thousand, four hundred seventeen".