500030913 has 16 divisors (see below), whose sum is σ = 689284736. Its totient is φ = 322185600.

The previous prime is 500030903. The next prime is 500030917. The reversal of 500030913 is 319030005.

It is not a de Polignac number, because 500030913 - 2¹⁰ = 500029889 is a prime.

It is a super-2 number, since 2×500030913² = 500061827911227138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500030913.

It is not an unprimeable number, because it can be changed into a prime (500030917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845 + ... + 31677.

It is an arithmetic number, because the mean of its divisors is an integer number (43080296).

Almost surely, 2^500030913 is an apocalyptic number.

It is an amenable number.

500030913 is a deficient number, since it is larger than the sum of its proper divisors (189253823).

500030913 is a wasteful number, since it uses less digits than its factorization.

500030913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30024.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 500030913 is about 22361.3710000080. The cubic root of 500030913 is about 793.7168827566.

Adding to 500030913 its reverse (319030005), we get a palindrome (819060918).

The spelling of 500030913 in words is "five hundred million, thirty thousand, nine hundred thirteen".