2005287 has 8 divisors (see below), whose sum is σ = 2699136. Its totient is φ = 1324152.

The previous prime is 2005277. The next prime is 2005319. The reversal of 2005287 is 7825002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2005287 - 2¹² = 2001191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2803 + ... + 3444.

It is an arithmetic number, because the mean of its divisors is an integer number (337392).

2^2005287 is an apocalyptic number.

2005287 is a deficient number, since it is larger than the sum of its proper divisors (693849).

2005287 is a wasteful number, since it uses less digits than its factorization.

2005287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2005287 is about 1416.0815654474. The cubic root of 2005287 is about 126.1030273489.

The spelling of 2005287 in words is "two million, five thousand, two hundred eighty-seven".