2051765827 has 2 divisors, whose sum is σ = 2051765828. Its totient is φ = 2051765826.

The previous prime is 2051765809. The next prime is 2051765831. The reversal of 2051765827 is 7285671502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051765827 - 2¹⁵ = 2051733059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051765867) 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 as a sum of consecutive naturals, namely, 1025882913 + 1025882914.

It is an arithmetic number, because the mean of its divisors is an integer number (1025882914).

Almost surely, 2^2051765827 is an apocalyptic number.

2051765827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051765827 is an equidigital number, since it uses as much as digits as its factorization.

2051765827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 2051765827 is about 45296.4217902474. The cubic root of 2051765827 is about 1270.6987344748.

The spelling of 2051765827 in words is "two billion, fifty-one million, seven hundred sixty-five thousand, eight hundred twenty-seven".