500284009 has 4 divisors (see below), whose sum is σ = 512486100. Its totient is φ = 488081920.

The previous prime is 500283943. The next prime is 500284019. The reversal of 500284009 is 900482005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900482005 = 5 ⋅180096401.

It can be written as a sum of positive squares in 2 ways, for example, as 218211984 + 282072025 = 14772^2 + 16795^2 .

It is a cyclic number.

It is not a de Polignac number, because 500284009 - 2⁷ = 500283881 is a prime.

It is a super-2 number, since 2×500284009² = 500568179322224162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500284019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6100984 + ... + 6101065.

It is an arithmetic number, because the mean of its divisors is an integer number (128121525).

Almost surely, 2^500284009 is an apocalyptic number.

It is an amenable number.

500284009 is a deficient number, since it is larger than the sum of its proper divisors (12202091).

500284009 is a wasteful number, since it uses less digits than its factorization.

500284009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202090.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 500284009 is about 22367.0295077375. The cubic root of 500284009 is about 793.8507762679.

The spelling of 500284009 in words is "five hundred million, two hundred eighty-four thousand, nine".