104403281 has 2 divisors, whose sum is σ = 104403282. Its totient is φ = 104403280.

The previous prime is 104403253. The next prime is 104403337. The reversal of 104403281 is 182304401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 6076225 = 9916^2 + 2465^2 .

It is an emirp because it is prime and its reverse (182304401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104403281 - 2¹⁰ = 104402257 is a prime.

It is a super-2 number, since 2×104403281² = 21800090167129922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104403181) 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, 52201640 + 52201641.

It is an arithmetic number, because the mean of its divisors is an integer number (52201641).

Almost surely, 2^104403281 is an apocalyptic number.

It is an amenable number.

104403281 is a deficient number, since it is larger than the sum of its proper divisors (1).

104403281 is an equidigital number, since it uses as much as digits as its factorization.

104403281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 104403281 is about 10217.7923740894. The cubic root of 104403281 is about 470.8740052125.

Adding to 104403281 its reverse (182304401), we get a palindrome (286707682).

The spelling of 104403281 in words is "one hundred four million, four hundred three thousand, two hundred eighty-one".