501343 has 2 divisors, whose sum is σ = 501344. Its totient is φ = 501342.

The previous prime is 501341. The next prime is 501367. The reversal of 501343 is 343105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501343 - 2¹ = 501341 is a prime.

Together with 501341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501341) 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 as a sum of consecutive naturals, namely, 250671 + 250672.

It is an arithmetic number, because the mean of its divisors is an integer number (250672).

2⁵⁰¹³⁴³ is an apocalyptic number.

501343 is a deficient number, since it is larger than the sum of its proper divisors (1).

501343 is an equidigital number, since it uses as much as digits as its factorization.

501343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 501343 is about 708.0557887624. The cubic root of 501343 is about 79.4410517222.

Adding to 501343 its reverse (343105), we get a palindrome (844448).

The spelling of 501343 in words is "five hundred one thousand, three hundred forty-three".