504594 has 36 divisors (see below), whose sum is σ = 1173354. Its totient is φ = 156672.

The previous prime is 504593. The next prime is 504599. The reversal of 504594 is 495405.

It can be written as a sum of positive squares in 3 ways, for example, as 497025 + 7569 = 705^2 + 87^2 .

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504593) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5154 + ... + 5250.

2⁵⁰⁴⁵⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586677).

504594 is an abundant number, since it is smaller than the sum of its proper divisors (668760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504594 is a wasteful number, since it uses less digits than its factorization.

504594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 504594 is about 710.3478021364. The cubic root of 504594 is about 79.6123959046.

Adding to 504594 its reverse (495405), we get a palindrome (999999).

The spelling of 504594 in words is "five hundred four thousand, five hundred ninety-four".