506353 has 4 divisors (see below), whose sum is σ = 510948. Its totient is φ = 501760.

The previous prime is 506351. The next prime is 506357. The reversal of 506353 is 353605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 339889 = 408^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 506353 - 2¹ = 506351 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (127737).

2⁵⁰⁶³⁵³ is an apocalyptic number.

It is an amenable number.

506353 is a deficient number, since it is larger than the sum of its proper divisors (4595).

506353 is a wasteful number, since it uses less digits than its factorization.

506353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 506353 is about 711.5848508787. The cubic root of 506353 is about 79.7047974497.

Adding to 506353 its reverse (353605), we get a palindrome (859958).

The spelling of 506353 in words is "five hundred six thousand, three hundred fifty-three".