599561 has 2 divisors, whose sum is σ = 599562. Its totient is φ = 599560.

The previous prime is 599551. The next prime is 599591. The reversal of 599561 is 165995.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 109561 = 700^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 599561 - 2¹⁰ = 598537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is not a weakly prime, because it can be changed into another prime (599551) 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 as a sum of consecutive naturals, namely, 299780 + 299781.

It is an arithmetic number, because the mean of its divisors is an integer number (299781).

2⁵⁹⁹⁵⁶¹ is an apocalyptic number.

It is an amenable number.

599561 is a deficient number, since it is larger than the sum of its proper divisors (1).

599561 is an equidigital number, since it uses as much as digits as its factorization.

599561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 35.

The square root of 599561 is about 774.3132441073. The cubic root of 599561 is about 84.3226911257.

The spelling of 599561 in words is "five hundred ninety-nine thousand, five hundred sixty-one".