2005747 has 2 divisors, whose sum is σ = 2005748. Its totient is φ = 2005746.

The previous prime is 2005739. The next prime is 2005763. The reversal of 2005747 is 7475002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005747 - 2³ = 2005739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002873 + 1002874.

It is an arithmetic number, because the mean of its divisors is an integer number (1002874).

2^2005747 is an apocalyptic number.

2005747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005747 is an equidigital number, since it uses as much as digits as its factorization.

2005747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2005747 is about 1416.2439761567. The cubic root of 2005747 is about 126.1126690208.

The spelling of 2005747 in words is "two million, five thousand, seven hundred forty-seven".