516033985 has 4 divisors (see below), whose sum is σ = 619240788. Its totient is φ = 412827184.

The previous prime is 516033983. The next prime is 516034019. The reversal of 516033985 is 589330615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88661056 + 427372929 = 9416^2 + 20673^2 .

It is a cyclic number.

It is not a de Polignac number, because 516033985 - 2¹ = 516033983 is a prime.

It is a super-5 number, since 5×516033985⁵ (a number of 45 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516033983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51603394 + ... + 51603403.

It is an arithmetic number, because the mean of its divisors is an integer number (154810197).

Almost surely, 2^516033985 is an apocalyptic number.

It is an amenable number.

516033985 is a deficient number, since it is larger than the sum of its proper divisors (103206803).

516033985 is a wasteful number, since it uses less digits than its factorization.

516033985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103206802.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 516033985 is about 22716.3814239856. The cubic root of 516033985 is about 802.0955399518.

The spelling of 516033985 in words is "five hundred sixteen million, thirty-three thousand, nine hundred eighty-five".