516252213 has 6 divisors (see below), whose sum is σ = 745697654. Its totient is φ = 344168136.

The previous prime is 516252193. The next prime is 516252259. The reversal of 516252213 is 312252615.

It is a happy number.

516252213 is a `hidden beast` number, since 5 + 1 + 625 + 22 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 349764804 + 166487409 = 18702^2 + 12903^2 .

It is not a de Polignac number, because 516252213 - 2²⁵ = 482697781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516252313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28680670 + ... + 28680687.

Almost surely, 2^516252213 is an apocalyptic number.

It is an amenable number.

516252213 is a deficient number, since it is larger than the sum of its proper divisors (229445441).

516252213 is a wasteful number, since it uses less digits than its factorization.

516252213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57361363 (or 57361360 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 516252213 is about 22721.1842341019. The cubic root of 516252213 is about 802.2085913153.

It can be divided in two parts, 5162 and 52213, that added together give a palindrome (57375).

The spelling of 516252213 in words is "five hundred sixteen million, two hundred fifty-two thousand, two hundred thirteen".