500513004 has 18 divisors (see below), whose sum is σ = 1265185740. Its totient is φ = 166837656.

The previous prime is 500512939. The next prime is 500513053. The reversal of 500513004 is 400315005.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6951534 + ... + 6951605.

Almost surely, 2^500513004 is an apocalyptic number.

It is an amenable number.

500513004 is an abundant number, since it is smaller than the sum of its proper divisors (764672736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500513004 is a wasteful number, since it uses less digits than its factorization.

500513004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13903149 (or 13903144 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 500513004 is about 22372.1479523089. The cubic root of 500513004 is about 793.9718808976.

Adding to 500513004 its reverse (400315005), we get a palindrome (900828009).

The spelling of 500513004 in words is "five hundred million, five hundred thirteen thousand, four".