2165313 has 8 divisors (see below), whose sum is σ = 2893888. Its totient is φ = 1440144.

The previous prime is 2165291. The next prime is 2165321. The reversal of 2165313 is 3135612.

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

It is not a de Polignac number, because 2165313 - 2⁶ = 2165249 is a prime.

It is the 1472-nd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2165313.

It is not an unprimeable number, because it can be changed into a prime (2165323) by changing a digit.

It is a nontrivial repunit in base 1471.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (361736).

2^2165313 is an apocalyptic number.

It is an amenable number.

2165313 is a deficient number, since it is larger than the sum of its proper divisors (728575).

2165313 is an equidigital number, since it uses as much as digits as its factorization.

2165313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 540, while the sum is 21.

The square root of 2165313 is about 1471.5002548420. The cubic root of 2165313 is about 129.3719808393.

Subtracting 2165313 from its reverse (3135612), we obtain a cube (970299 = 99³).

The spelling of 2165313 in words is "two million, one hundred sixty-five thousand, three hundred thirteen".