516333009 has 4 divisors (see below), whose sum is σ = 688444016. Its totient is φ = 344222004.

The previous prime is 516332989. The next prime is 516333029. The reversal of 516333009 is 900333615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (516332989) and next prime (516333029).

It is not a de Polignac number, because 516333009 - 2⁷ = 516332881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516333029) 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, 86055499 + ... + 86055504.

It is an arithmetic number, because the mean of its divisors is an integer number (172111004).

Almost surely, 2^516333009 is an apocalyptic number.

It is an amenable number.

516333009 is a deficient number, since it is larger than the sum of its proper divisors (172111007).

516333009 is a wasteful number, since it uses less digits than its factorization.

516333009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172111006.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 516333009 is about 22722.9621528532. The cubic root of 516333009 is about 802.2504389902.

The spelling of 516333009 in words is "five hundred sixteen million, three hundred thirty-three thousand, nine".