501383 has 2 divisors, whose sum is σ = 501384. Its totient is φ = 501382.

The previous prime is 501367. The next prime is 501401. The reversal of 501383 is 383105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501383 - 2⁴ = 501367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501343) 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 as a sum of consecutive naturals, namely, 250691 + 250692.

It is an arithmetic number, because the mean of its divisors is an integer number (250692).

2⁵⁰¹³⁸³ is an apocalyptic number.

501383 is a deficient number, since it is larger than the sum of its proper divisors (1).

501383 is an equidigital number, since it uses as much as digits as its factorization.

501383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 501383 is about 708.0840345609. The cubic root of 501383 is about 79.4431644192.

Adding to 501383 its reverse (383105), we get a palindrome (884488).

The spelling of 501383 in words is "five hundred one thousand, three hundred eighty-three".