216303359 has 4 divisors (see below), whose sum is σ = 229027104. Its totient is φ = 203579616.

The previous prime is 216303349. The next prime is 216303361. The reversal of 216303359 is 953303612.

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

It is a cyclic number.

It is not a de Polignac number, because 216303359 - 2⁸ = 216303103 is a prime.

It is a super-2 number, since 2×216303359² = 93574286229365762, 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 (216303319) 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 3 ways as a sum of consecutive naturals, for example, 6361847 + ... + 6361880.

It is an arithmetic number, because the mean of its divisors is an integer number (57256776).

Almost surely, 2^216303359 is an apocalyptic number.

216303359 is a deficient number, since it is larger than the sum of its proper divisors (12723745).

216303359 is a wasteful number, since it uses less digits than its factorization.

216303359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12723744.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 216303359 is about 14707.2553183794. The cubic root of 216303359 is about 600.2807565687.

The spelling of 216303359 in words is "two hundred sixteen million, three hundred three thousand, three hundred fifty-nine".