216035117 has 2 divisors, whose sum is σ = 216035118. Its totient is φ = 216035116.

The previous prime is 216035107. The next prime is 216035161. The reversal of 216035117 is 711530612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140327716 + 75707401 = 11846^2 + 8701^2 .

It is a cyclic number.

It is not a de Polignac number, because 216035117 - 2⁴ = 216035101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216035107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108017558 + 108017559.

It is an arithmetic number, because the mean of its divisors is an integer number (108017559).

Almost surely, 2^216035117 is an apocalyptic number.

It is an amenable number.

216035117 is a deficient number, since it is larger than the sum of its proper divisors (1).

216035117 is an equidigital number, since it uses as much as digits as its factorization.

216035117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 216035117 is about 14698.1331127460. The cubic root of 216035117 is about 600.0325139788.

Adding to 216035117 its reverse (711530612), we get a palindrome (927565729).

The spelling of 216035117 in words is "two hundred sixteen million, thirty-five thousand, one hundred seventeen".