2082813 has 4 divisors (see below), whose sum is σ = 2777088. Its totient is φ = 1388540.

The previous prime is 2082803. The next prime is 2082827. The reversal of 2082813 is 3182802.

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 2082813 - 2⁶ = 2082749 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347133 + ... + 347138.

It is an arithmetic number, because the mean of its divisors is an integer number (694272).

2^2082813 is an apocalyptic number.

It is an amenable number.

2082813 is a deficient number, since it is larger than the sum of its proper divisors (694275).

2082813 is an equidigital number, since it uses as much as digits as its factorization.

2082813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694274.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2082813 is about 1443.1954129639. The cubic root of 2082813 is about 127.7076048778.

The spelling of 2082813 in words is "two million, eighty-two thousand, eight hundred thirteen".