501103 has 2 divisors, whose sum is σ = 501104. Its totient is φ = 501102.

The previous prime is 501089. The next prime is 501121. The reversal of 501103 is 301105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501103 - 2¹³ = 492911 is a prime.

It is a super-2 number, since 2×501103² = 502208433218, which contains 22 as substring.

501103 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 501103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501133) 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, 250551 + 250552.

It is an arithmetic number, because the mean of its divisors is an integer number (250552).

2⁵⁰¹¹⁰³ is an apocalyptic number.

501103 is a deficient number, since it is larger than the sum of its proper divisors (1).

501103 is an equidigital number, since it uses as much as digits as its factorization.

501103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 501103 is about 707.8862903037. The cubic root of 501103 is about 79.4283731797.

Adding to 501103 its reverse (301105), we get a palindrome (802208).

The spelling of 501103 in words is "five hundred one thousand, one hundred three".