287013 has 8 divisors (see below), whose sum is σ = 396000. Its totient is φ = 184688.

The previous prime is 287003. The next prime is 287047. The reversal of 287013 is 310782.

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

It is a cyclic number.

It is not a de Polignac number, because 287013 - 2⁵ = 286981 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287013.

It is not an unprimeable number, because it can be changed into a prime (287003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (49500).

2²⁸⁷⁰¹³ is an apocalyptic number.

It is an amenable number.

287013 is a deficient number, since it is larger than the sum of its proper divisors (108987).

287013 is a wasteful number, since it uses less digits than its factorization.

287013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 287013 is about 535.7359424194. The cubic root of 287013 is about 65.9630187683.

Adding to 287013 its reverse (310782), we get a palindrome (597795).

The spelling of 287013 in words is "two hundred eighty-seven thousand, thirteen".