287363 has 4 divisors (see below), whose sum is σ = 291720. Its totient is φ = 283008.

The previous prime is 287347. The next prime is 287383. The reversal of 287363 is 363782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363782 = 2 ⋅181891.

It is not a de Polignac number, because 287363 - 2⁴ = 287347 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 8 + 3 + 7³ + 6⁷ + 3⁸ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287363.

It is not an unprimeable number, because it can be changed into a prime (287333) 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 3 ways as a sum of consecutive naturals, for example, 2078 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (72930).

2²⁸⁷³⁶³ is an apocalyptic number.

287363 is a deficient number, since it is larger than the sum of its proper divisors (4357).

287363 is an equidigital number, since it uses as much as digits as its factorization.

287363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356.

The product of its digits is 6048, while the sum is 29.

The square root of 287363 is about 536.0624963565. The cubic root of 287363 is about 65.9898208973.

The spelling of 287363 in words is "two hundred eighty-seven thousand, three hundred sixty-three".