2091763 has 2 divisors, whose sum is σ = 2091764. Its totient is φ = 2091762.

The previous prime is 2091737. The next prime is 2091769. The reversal of 2091763 is 3671902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2091763 - 2⁹ = 2091251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2091769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045881 + 1045882.

It is an arithmetic number, because the mean of its divisors is an integer number (1045882).

2^2091763 is an apocalyptic number.

2091763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091763 is an equidigital number, since it uses as much as digits as its factorization.

2091763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2091763 is about 1446.2928472477. The cubic root of 2091763 is about 127.8902664674.

The spelling of 2091763 in words is "two million, ninety-one thousand, seven hundred sixty-three".