559987 has 4 divisors (see below), whose sum is σ = 589480. Its totient is φ = 530496.

The previous prime is 559973. The next prime is 559991. The reversal of 559987 is 789955.

559987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789955 = 5 ⋅157991.

It is a cyclic number.

It is not a de Polignac number, because 559987 - 2⁷ = 559859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (559907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14718 + ... + 14755.

It is an arithmetic number, because the mean of its divisors is an integer number (147370).

2⁵⁵⁹⁹⁸⁷ is an apocalyptic number.

559987 is a deficient number, since it is larger than the sum of its proper divisors (29493).

559987 is a wasteful number, since it uses less digits than its factorization.

559987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492.

The product of its digits is 113400, while the sum is 43.

The square root of 559987 is about 748.3227913140. The cubic root of 559987 is about 82.4250681733.

The spelling of 559987 in words is "five hundred fifty-nine thousand, nine hundred eighty-seven".