216514033 has 2 divisors, whose sum is σ = 216514034. Its totient is φ = 216514032.

The previous prime is 216514031. The next prime is 216514043. The reversal of 216514033 is 330415612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172318129 + 44195904 = 13127^2 + 6648^2 .

It is a cyclic number.

It is not a de Polignac number, because 216514033 - 2¹ = 216514031 is a prime.

Together with 216514031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 216513989 and 216514007.

It is not a weakly prime, because it can be changed into another prime (216514031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108257016 + 108257017.

It is an arithmetic number, because the mean of its divisors is an integer number (108257017).

Almost surely, 2^216514033 is an apocalyptic number.

It is an amenable number.

216514033 is a deficient number, since it is larger than the sum of its proper divisors (1).

216514033 is an equidigital number, since it uses as much as digits as its factorization.

216514033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216514033 is about 14714.4158225870. The cubic root of 216514033 is about 600.4755794222.

Adding to 216514033 its reverse (330415612), we get a palindrome (546929645).

The spelling of 216514033 in words is "two hundred sixteen million, five hundred fourteen thousand, thirty-three".