808104513 has 4 divisors (see below), whose sum is σ = 1077472688. Its totient is φ = 538736340.

The previous prime is 808104499. The next prime is 808104541. The reversal of 808104513 is 315401808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 808104513 - 2⁵ = 808104481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808104613) 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 in 3 ways as a sum of consecutive naturals, for example, 134684083 + ... + 134684088.

It is an arithmetic number, because the mean of its divisors is an integer number (269368172).

Almost surely, 2^808104513 is an apocalyptic number.

It is an amenable number.

808104513 is a deficient number, since it is larger than the sum of its proper divisors (269368175).

808104513 is a wasteful number, since it uses less digits than its factorization.

808104513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269368174.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 808104513 is about 28427.1791249149. The cubic root of 808104513 is about 931.4420580831.

The spelling of 808104513 in words is "eight hundred eight million, one hundred four thousand, five hundred thirteen".