810365313 has 4 divisors (see below), whose sum is σ = 1080487088. Its totient is φ = 540243540.

The previous prime is 810365273. The next prime is 810365317. The reversal of 810365313 is 313563018.

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 810365313 - 2¹⁷ = 810234241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810365317) 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, 135060883 + ... + 135060888.

It is an arithmetic number, because the mean of its divisors is an integer number (270121772).

Almost surely, 2^810365313 is an apocalyptic number.

It is an amenable number.

810365313 is a deficient number, since it is larger than the sum of its proper divisors (270121775).

810365313 is a wasteful number, since it uses less digits than its factorization.

810365313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270121774.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 810365313 is about 28466.9161132709. The cubic root of 810365313 is about 932.3098680608.

The spelling of 810365313 in words is "eight hundred ten million, three hundred sixty-five thousand, three hundred thirteen".