504613 has 4 divisors (see below), whose sum is σ = 514188. Its totient is φ = 495040.

The previous prime is 504607. The next prime is 504617. The reversal of 504613 is 316405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316405 = 5 ⋅63281.

It can be written as a sum of positive squares in 2 ways, for example, as 294849 + 209764 = 543^2 + 458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504617) 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 in 3 ways as a sum of consecutive naturals, for example, 4708 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (128547).

2⁵⁰⁴⁶¹³ is an apocalyptic number.

504613 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

504613 is a deficient number, since it is larger than the sum of its proper divisors (9575).

504613 is an equidigital number, since it uses as much as digits as its factorization.

504613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 504613 is about 710.3611757409. The cubic root of 504613 is about 79.6133951347.

The spelling of 504613 in words is "five hundred four thousand, six hundred thirteen".