516312013 has 8 divisors (see below), whose sum is σ = 590208320. Its totient is φ = 442450080.

The previous prime is 516312011. The next prime is 516312053. The reversal of 516312013 is 310213615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516312013 - 2¹ = 516312011 is a prime.

It is a super-2 number, since 2×516312013² = 533156189536224338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516312011) 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 7 ways as a sum of consecutive naturals, for example, 54553 + ... + 63313.

It is an arithmetic number, because the mean of its divisors is an integer number (73776040).

Almost surely, 2^516312013 is an apocalyptic number.

It is an amenable number.

516312013 is a deficient number, since it is larger than the sum of its proper divisors (73896307).

516312013 is an equidigital number, since it uses as much as digits as its factorization.

516312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17187.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 516312013 is about 22722.5001485312. The cubic root of 516312013 is about 802.2395646912.

Adding to 516312013 its reverse (310213615), we get a palindrome (826525628).

The spelling of 516312013 in words is "five hundred sixteen million, three hundred twelve thousand, thirteen".