2051767 has 2 divisors, whose sum is σ = 2051768. Its totient is φ = 2051766.

The previous prime is 2051759. The next prime is 2051773. The reversal of 2051767 is 7671502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051767 - 2³ = 2051759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025883 + 1025884.

It is an arithmetic number, because the mean of its divisors is an integer number (1025884).

2^2051767 is an apocalyptic number.

2051767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051767 is an equidigital number, since it uses as much as digits as its factorization.

2051767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2051767 is about 1432.3990365816. The cubic root of 2051767 is about 127.0698976629.

The spelling of 2051767 in words is "two million, fifty-one thousand, seven hundred sixty-seven".