2865313 has 4 divisors (see below), whose sum is σ = 3125808. Its totient is φ = 2604820.

The previous prime is 2865311. The next prime is 2865319. The reversal of 2865313 is 3135682.

2865313 is digitally balanced in base 2, 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 2865313 - 2¹ = 2865311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2865311) 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, 130231 + ... + 130252.

It is an arithmetic number, because the mean of its divisors is an integer number (781452).

2^2865313 is an apocalyptic number.

It is an amenable number.

2865313 is a deficient number, since it is larger than the sum of its proper divisors (260495).

2865313 is a wasteful number, since it uses less digits than its factorization.

2865313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260494.

The product of its digits is 4320, while the sum is 28.

The square root of 2865313 is about 1692.7235450599. The cubic root of 2865313 is about 142.0334676124.

It can be divided in two parts, 28 and 65313, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 2865313 in words is "two million, eight hundred sixty-five thousand, three hundred thirteen".