590021 has 2 divisors, whose sum is σ = 590022. Its totient is φ = 590020.

The previous prime is 589997. The next prime is 590027. The reversal of 590021 is 120095.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532900 + 57121 = 730^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 590021 - 2¹⁴ = 573637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 590021.

It is not a weakly prime, because it can be changed into another prime (590027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295010 + 295011.

It is an arithmetic number, because the mean of its divisors is an integer number (295011).

2⁵⁹⁰⁰²¹ is an apocalyptic number.

It is an amenable number.

590021 is a deficient number, since it is larger than the sum of its proper divisors (1).

590021 is an equidigital number, since it uses as much as digits as its factorization.

590021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 590021 is about 768.1282445009. The cubic root of 590021 is about 83.8730603458.

The spelling of 590021 in words is "five hundred ninety thousand, twenty-one".