2051759 has 2 divisors, whose sum is σ = 2051760. Its totient is φ = 2051758.

The previous prime is 2051743. The next prime is 2051767. The reversal of 2051759 is 9571502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051759 - 2⁴ = 2051743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025879 + 1025880.

It is an arithmetic number, because the mean of its divisors is an integer number (1025880).

2^2051759 is an apocalyptic number.

2051759 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051759 is an equidigital number, since it uses as much as digits as its factorization.

2051759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 2051759 is about 1432.3962440610. The cubic root of 2051759 is about 127.0697325108.

The spelling of 2051759 in words is "two million, fifty-one thousand, seven hundred fifty-nine".