104303807521 has 9 divisors (see below), whose sum is σ = 105172922001. Its totient is φ = 103441824612.

The previous prime is 104303807507. The next prime is 104303807537. The reversal of 104303807521 is 125708303401.

The square root of 104303807521 is 322961.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 104303807521 - 2⁷ = 104303807393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104303807561) 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 in 8 ways as a sum of consecutive naturals, for example, 41014776 + ... + 41017318.

Almost surely, 2^104303807521 is an apocalyptic number.

104303807521 is the 322961-st square number.

104303807521 is the 161481-st centered octagonal number.

It is an amenable number.

104303807521 is a deficient number, since it is larger than the sum of its proper divisors (869114480).

104303807521 is an frugal number, since it uses more digits than its factorization.

104303807521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 104303807521 in words is "one hundred four billion, three hundred three million, eight hundred seven thousand, five hundred twenty-one".