501113 has 4 divisors (see below), whose sum is σ = 503028. Its totient is φ = 499200.

The previous prime is 501103. The next prime is 501121. The reversal of 501113 is 311105.

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 258064 + 243049 = 508^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 501113 - 2¹² = 497017 is a prime.

It is a super-2 number, since 2×501113² = 502228477538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 501094 and 501103.

It is not an unprimeable number, because it can be changed into a prime (501103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (125757).

2⁵⁰¹¹¹³ is an apocalyptic number.

It is an amenable number.

501113 is a deficient number, since it is larger than the sum of its proper divisors (1915).

501113 is a wasteful number, since it uses less digits than its factorization.

501113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 501113 is about 707.8933535498. The cubic root of 501113 is about 79.4289015331.

Adding to 501113 its reverse (311105), we get a palindrome (812218).

The spelling of 501113 in words is "five hundred one thousand, one hundred thirteen".