216302363 has 2 divisors, whose sum is σ = 216302364. Its totient is φ = 216302362.

The previous prime is 216302323. The next prime is 216302371. The reversal of 216302363 is 363203612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216302363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (216302323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108151181 + 108151182.

It is an arithmetic number, because the mean of its divisors is an integer number (108151182).

Almost surely, 2^216302363 is an apocalyptic number.

216302363 is a deficient number, since it is larger than the sum of its proper divisors (1).

216302363 is an equidigital number, since it uses as much as digits as its factorization.

216302363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 216302363 is about 14707.2214575018. The cubic root of 216302363 is about 600.2798352075.

Adding to 216302363 its reverse (363203612), we get a palindrome (579505975).

The spelling of 216302363 in words is "two hundred sixteen million, three hundred two thousand, three hundred sixty-three".