180487 has 4 divisors (see below), whose sum is σ = 182376. Its totient is φ = 178600.

The previous prime is 180473. The next prime is 180491. The reversal of 180487 is 784081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180487 - 2¹¹ = 178439 is a prime.

It is a Duffinian number.

180487 is a lucky number.

It is a plaindrome in base 11 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180437) 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, 793 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (45594).

2¹⁸⁰⁴⁸⁷ is an apocalyptic number.

180487 is a deficient number, since it is larger than the sum of its proper divisors (1889).

180487 is a wasteful number, since it uses less digits than its factorization.

180487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 180487 is about 424.8376160370. The cubic root of 180487 is about 56.5130363841.

It can be divided in two parts, 1804 and 87, that added together give a triangular number (1891 = T₆₁).

The spelling of 180487 in words is "one hundred eighty thousand, four hundred eighty-seven".