2050811 has 4 divisors (see below), whose sum is σ = 2343792. Its totient is φ = 1757832.

The previous prime is 2050787. The next prime is 2050813. The reversal of 2050811 is 1180502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1180502 = 2 ⋅590251.

It is a cyclic number.

It is not a de Polignac number, because 2050811 - 2¹⁰ = 2049787 is a prime.

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 2050811.

It is not an unprimeable number, because it can be changed into a prime (2050813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146480 + ... + 146493.

It is an arithmetic number, because the mean of its divisors is an integer number (585948).

2^2050811 is an apocalyptic number.

2050811 is a deficient number, since it is larger than the sum of its proper divisors (292981).

2050811 is an equidigital number, since it uses as much as digits as its factorization.

2050811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292980.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2050811 is about 1432.0652918076. The cubic root of 2050811 is about 127.0501589540.

The spelling of 2050811 in words is "two million, fifty thousand, eight hundred eleven".