500501913 has 32 divisors (see below), whose sum is σ = 737786880. Its totient is φ = 300410880.

The previous prime is 500501909. The next prime is 500501921. The reversal of 500501913 is 319105005.

It is not a de Polignac number, because 500501913 - 2² = 500501909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500502913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138931 + ... + 142487.

It is an arithmetic number, because the mean of its divisors is an integer number (23055840).

Almost surely, 2^500501913 is an apocalyptic number.

It is an amenable number.

500501913 is a deficient number, since it is larger than the sum of its proper divisors (237284967).

500501913 is a wasteful number, since it uses less digits than its factorization.

500501913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 500501913 is about 22371.9000757647. The cubic root of 500501913 is about 793.9660162433.

Adding to 500501913 its reverse (319105005), we get a palindrome (819606918).

The spelling of 500501913 in words is "five hundred million, five hundred one thousand, nine hundred thirteen".