104405503 has 2 divisors, whose sum is σ = 104405504. Its totient is φ = 104405502.

The previous prime is 104405501. The next prime is 104405507. The reversal of 104405503 is 305504401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104405503 - 2¹ = 104405501 is a prime.

Together with 104405501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104405501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52202751 + 52202752.

It is an arithmetic number, because the mean of its divisors is an integer number (52202752).

Almost surely, 2^104405503 is an apocalyptic number.

104405503 is a deficient number, since it is larger than the sum of its proper divisors (1).

104405503 is an equidigital number, since it uses as much as digits as its factorization.

104405503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 104405503 is about 10217.9011054130. The cubic root of 104405503 is about 470.8773457034.

Adding to 104405503 its reverse (305504401), we get a palindrome (409909904).

The spelling of 104405503 in words is "one hundred four million, four hundred five thousand, five hundred three".