287359 has 4 divisors (see below), whose sum is σ = 290016. Its totient is φ = 284704.

The previous prime is 287347. The next prime is 287383. The reversal of 287359 is 953782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953782 = 2 ⋅476891.

It is a cyclic number.

It is not a de Polignac number, because 287359 - 2⁵ = 287327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159 + ... + 1384.

It is an arithmetic number, because the mean of its divisors is an integer number (72504).

2²⁸⁷³⁵⁹ is an apocalyptic number.

287359 is a deficient number, since it is larger than the sum of its proper divisors (2657).

287359 is a wasteful number, since it uses less digits than its factorization.

287359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its digits is 15120, while the sum is 34.

The square root of 287359 is about 536.0587654353. The cubic root of 287359 is about 65.9895147102.

It can be divided in two parts, 287 and 359, that added together give a palindrome (646).

The spelling of 287359 in words is "two hundred eighty-seven thousand, three hundred fifty-nine".