559081321 has 2 divisors, whose sum is σ = 559081322. Its totient is φ = 559081320.

The previous prime is 559081319. The next prime is 559081331. The reversal of 559081321 is 123180955.

559081321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543589225 + 15492096 = 23315^2 + 3936^2 .

It is a cyclic number.

It is not a de Polignac number, because 559081321 - 2¹ = 559081319 is a prime.

It is a super-2 number, since 2×559081321² = 625143846982210082, which contains 22 as substring.

Together with 559081319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (559081301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279540660 + 279540661.

It is an arithmetic number, because the mean of its divisors is an integer number (279540661).

Almost surely, 2^559081321 is an apocalyptic number.

It is an amenable number.

559081321 is a deficient number, since it is larger than the sum of its proper divisors (1).

559081321 is an equidigital number, since it uses as much as digits as its factorization.

559081321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 559081321 is about 23644.9005284438. The cubic root of 559081321 is about 823.8060825175.

The spelling of 559081321 in words is "five hundred fifty-nine million, eighty-one thousand, three hundred twenty-one".