805199513 has 8 divisors (see below), whose sum is σ = 834994368. Its totient is φ = 775827504.

The previous prime is 805199429. The next prime is 805199567. The reversal of 805199513 is 315991508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 805199513 - 2¹⁶ = 805133977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805195513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101831 + ... + 109452.

It is an arithmetic number, because the mean of its divisors is an integer number (104374296).

Almost surely, 2^805199513 is an apocalyptic number.

It is an amenable number.

805199513 is a deficient number, since it is larger than the sum of its proper divisors (29794855).

805199513 is a wasteful number, since it uses less digits than its factorization.

805199513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211423.

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 805199513 is about 28376.0376550356. The cubic root of 805199513 is about 930.3245920574.

The spelling of 805199513 in words is "eight hundred five million, one hundred ninety-nine thousand, five hundred thirteen".