8109313 has 4 divisors (see below), whose sum is σ = 8115120. Its totient is φ = 8103508.

The previous prime is 8109307. The next prime is 8109319. The reversal of 8109313 is 3139018.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (8109307) and next prime (8109319).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8109313 is a prime.

It is a Duffinian number.

8109313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8109319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (2028780).

Almost surely, 2^8109313 is an apocalyptic number.

It is an amenable number.

8109313 is a deficient number, since it is larger than the sum of its proper divisors (5807).

8109313 is a wasteful number, since it uses less digits than its factorization.

8109313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 8109313 is about 2847.6855514610. The cubic root of 8109313 is about 200.9068238054.

The spelling of 8109313 in words is "eight million, one hundred nine thousand, three hundred thirteen".