8165013 has 4 divisors (see below), whose sum is σ = 10886688. Its totient is φ = 5443340.

The previous prime is 8165011. The next prime is 8165029. The reversal of 8165013 is 3105618.

8165013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 8165013 - 2¹ = 8165011 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8165011) 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, 1360833 + ... + 1360838.

It is an arithmetic number, because the mean of its divisors is an integer number (2721672).

Almost surely, 2^8165013 is an apocalyptic number.

It is an amenable number.

8165013 is a deficient number, since it is larger than the sum of its proper divisors (2721675).

8165013 is a wasteful number, since it uses less digits than its factorization.

8165013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721674.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 8165013 is about 2857.4486872033. The cubic root of 8165013 is about 201.3657605937.

The spelling of 8165013 in words is "eight million, one hundred sixty-five thousand, thirteen".