2053811 has 2 divisors, whose sum is σ = 2053812. Its totient is φ = 2053810.

The previous prime is 2053789. The next prime is 2053819. The reversal of 2053811 is 1183502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2053811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2053819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026905 + 1026906.

It is an arithmetic number, because the mean of its divisors is an integer number (1026906).

2^2053811 is an apocalyptic number.

2053811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053811 is an equidigital number, since it uses as much as digits as its factorization.

2053811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2053811 is about 1433.1123473057. The cubic root of 2053811 is about 127.1120799492.

The spelling of 2053811 in words is "two million, fifty-three thousand, eight hundred eleven".