594521 has 2 divisors, whose sum is σ = 594522. Its totient is φ = 594520.

The previous prime is 594511. The next prime is 594523. The reversal of 594521 is 125495.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 48400 = 739^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 594521 - 2⁶ = 594457 is a prime.

Together with 594523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (594523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297260 + 297261.

It is an arithmetic number, because the mean of its divisors is an integer number (297261).

2⁵⁹⁴⁵²¹ is an apocalyptic number.

It is an amenable number.

594521 is a deficient number, since it is larger than the sum of its proper divisors (1).

594521 is an equidigital number, since it uses as much as digits as its factorization.

594521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 594521 is about 771.0518789290. The cubic root of 594521 is about 84.0857495473.

Subtracting from 594521 its sum of digits (26), we obtain a palindrome (594495).

The spelling of 594521 in words is "five hundred ninety-four thousand, five hundred twenty-one".