2813305 has 8 divisors (see below), whose sum is σ = 3682944. Its totient is φ = 2046000.

The previous prime is 2813299. The next prime is 2813309. The reversal of 2813305 is 5033182.

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

It is not a de Polignac number, because 2813305 - 2¹¹ = 2811257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2813309) 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, 25521 + ... + 25630.

It is an arithmetic number, because the mean of its divisors is an integer number (460368).

2^2813305 is an apocalyptic number.

It is an amenable number.

2813305 is a deficient number, since it is larger than the sum of its proper divisors (869639).

2813305 is a wasteful number, since it uses less digits than its factorization.

2813305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51167.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2813305 is about 1677.2909705832. The cubic root of 2813305 is about 141.1688703186.

Adding to 2813305 its reverse (5033182), we get a palindrome (7846487).

The spelling of 2813305 in words is "two million, eight hundred thirteen thousand, three hundred five".