599021 has 2 divisors, whose sum is σ = 599022. Its totient is φ = 599020.

The previous prime is 599009. The next prime is 599023. The reversal of 599021 is 120995.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 52900 = 739^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 599021 - 2¹⁰ = 597997 is a prime.

Together with 599023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (599023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299510 + 299511.

It is an arithmetic number, because the mean of its divisors is an integer number (299511).

2⁵⁹⁹⁰²¹ is an apocalyptic number.

It is an amenable number.

599021 is a deficient number, since it is larger than the sum of its proper divisors (1).

599021 is an equidigital number, since it uses as much as digits as its factorization.

599021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 599021 is about 773.9644694687. The cubic root of 599021 is about 84.2973681920.

The spelling of 599021 in words is "five hundred ninety-nine thousand, twenty-one".