516631213 has 16 divisors (see below), whose sum is σ = 611077120. Its totient is φ = 427420800.

The previous prime is 516631189. The next prime is 516631217. The reversal of 516631213 is 312136615.

It is a cyclic number.

It is not a de Polignac number, because 516631213 - 2¹³ = 516623021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516631217) 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 15 ways as a sum of consecutive naturals, for example, 85843 + ... + 91663.

It is an arithmetic number, because the mean of its divisors is an integer number (38192320).

Almost surely, 2^516631213 is an apocalyptic number.

It is an amenable number.

516631213 is a deficient number, since it is larger than the sum of its proper divisors (94445907).

516631213 is a wasteful number, since it uses less digits than its factorization.

516631213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268.

The product of its digits is 3240, while the sum is 28.

The square root of 516631213 is about 22729.5229382405. The cubic root of 516631213 is about 802.4048537087.

Adding to 516631213 its reverse (312136615), we get a palindrome (828767828).

The spelling of 516631213 in words is "five hundred sixteen million, six hundred thirty-one thousand, two hundred thirteen".