559921 has 6 divisors (see below), whose sum is σ = 576870. Its totient is φ = 543456.

The previous prime is 559913. The next prime is 559939. The reversal of 559921 is 129955.

It can be written as a sum of positive squares in 3 ways, for example, as 440896 + 119025 = 664^2 + 345^2 .

It is not a de Polignac number, because 559921 - 2³ = 559913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (559901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1165 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (96145).

2⁵⁵⁹⁹²¹ is an apocalyptic number.

It is an amenable number.

559921 is a deficient number, since it is larger than the sum of its proper divisors (16949).

559921 is an equidigital number, since it uses as much as digits as its factorization.

559921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 446 counting only the distinct ones).

The product of its digits is 4050, while the sum is 31.

The square root of 559921 is about 748.2786913978. The cubic root of 559921 is about 82.4218298432.

The spelling of 559921 in words is "five hundred fifty-nine thousand, nine hundred twenty-one".