501913 has 8 divisors (see below), whose sum is σ = 524160. Its totient is φ = 480240.

The previous prime is 501911. The next prime is 501931. The reversal of 501913 is 319105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501913 - 2¹ = 501911 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (501911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁵⁰¹⁹¹³ is an apocalyptic number.

It is an amenable number.

501913 is a deficient number, since it is larger than the sum of its proper divisors (22247).

501913 is a wasteful number, since it uses less digits than its factorization.

501913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 501913 is about 708.4581850752. The cubic root of 501913 is about 79.4711470524.

The spelling of 501913 in words is "five hundred one thousand, nine hundred thirteen".