2070813 has 4 divisors (see below), whose sum is σ = 2761088. Its totient is φ = 1380540.

The previous prime is 2070811. The next prime is 2070823. The reversal of 2070813 is 3180702.

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 not a de Polignac number, because 2070813 - 2¹ = 2070811 is a prime.

It is a D-number.

It is a Duffinian number.

2070813 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2070813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070811) 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, 345133 + ... + 345138.

It is an arithmetic number, because the mean of its divisors is an integer number (690272).

2^2070813 is an apocalyptic number.

It is an amenable number.

2070813 is a deficient number, since it is larger than the sum of its proper divisors (690275).

2070813 is an equidigital number, since it uses as much as digits as its factorization.

2070813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690274.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2070813 is about 1439.0319662884. The cubic root of 2070813 is about 127.4618724903.

The spelling of 2070813 in words is "two million, seventy thousand, eight hundred thirteen".