180287 has 2 divisors, whose sum is σ = 180288. Its totient is φ = 180286.

The previous prime is 180281. The next prime is 180289. The reversal of 180287 is 782081.

180287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180287 - 2¹² = 176191 is a prime.

Together with 180289, it forms a pair of twin primes.

It is a Chen 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 180287.

It is not a weakly prime, because it can be changed into another prime (180281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90143 + 90144.

It is an arithmetic number, because the mean of its divisors is an integer number (90144).

2¹⁸⁰²⁸⁷ is an apocalyptic number.

180287 is a deficient number, since it is larger than the sum of its proper divisors (1).

180287 is an equidigital number, since it uses as much as digits as its factorization.

180287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 180287 is about 424.6021667396. The cubic root of 180287 is about 56.4921543913.

The spelling of 180287 in words is "one hundred eighty thousand, two hundred eighty-seven".