2005673 has 2 divisors, whose sum is σ = 2005674. Its totient is φ = 2005672.

The previous prime is 2005667. The next prime is 2005681. The reversal of 2005673 is 3765002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1236544 + 769129 = 1112^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005673 - 2⁸ = 2005417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2005613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002836 + 1002837.

It is an arithmetic number, because the mean of its divisors is an integer number (1002837).

2^2005673 is an apocalyptic number.

It is an amenable number.

2005673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005673 is an equidigital number, since it uses as much as digits as its factorization.

2005673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2005673 is about 1416.2178504736. The cubic root of 2005673 is about 126.1111180687. Note that the first 5 decimals are identical.

The spelling of 2005673 in words is "two million, five thousand, six hundred seventy-three".