516303215 has 8 divisors (see below), whose sum is σ = 625047408. Its totient is φ = 409386880.

The previous prime is 516303197. The next prime is 516303223. The reversal of 516303215 is 512303615.

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

It is not a de Polignac number, because 516303215 - 2¹⁶ = 516237679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 456341 + ... + 457470.

It is an arithmetic number, because the mean of its divisors is an integer number (78130926).

Almost surely, 2^516303215 is an apocalyptic number.

516303215 is a deficient number, since it is larger than the sum of its proper divisors (108744193).

516303215 is a wasteful number, since it uses less digits than its factorization.

516303215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913929.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 516303215 is about 22722.3065510524. The cubic root of 516303215 is about 802.2350079222.

It can be divided in two parts, 51630 and 3215, that added together give a palindrome (54845).

The spelling of 516303215 in words is "five hundred sixteen million, three hundred three thousand, two hundred fifteen".