2005715 has 16 divisors (see below), whose sum is σ = 2550528. Its totient is φ = 1511136.

The previous prime is 2005693. The next prime is 2005723. The reversal of 2005715 is 5175002.

It is a cyclic number.

It is not a de Polignac number, because 2005715 - 2⁸ = 2005459 is a prime.

It is a super-2 number, since 2×2005715² = 8045785322450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12224 + ... + 12386.

It is an arithmetic number, because the mean of its divisors is an integer number (159408).

2^2005715 is an apocalyptic number.

2005715 is a deficient number, since it is larger than the sum of its proper divisors (544813).

2005715 is a wasteful number, since it uses less digits than its factorization.

2005715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2005715 is about 1416.2326786231. The cubic root of 2005715 is about 126.1119983435. Note that the first 3 decimals are identical.

The spelling of 2005715 in words is "two million, five thousand, seven hundred fifteen".