216272029 has 2 divisors, whose sum is σ = 216272030. Its totient is φ = 216272028.

The previous prime is 216272009. The next prime is 216272071. The reversal of 216272029 is 920272612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182655225 + 33616804 = 13515^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 216272029 - 2⁵ = 216271997 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 (216272009) 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, 108136014 + 108136015.

It is an arithmetic number, because the mean of its divisors is an integer number (108136015).

Almost surely, 2^216272029 is an apocalyptic number.

It is an amenable number.

216272029 is a deficient number, since it is larger than the sum of its proper divisors (1).

216272029 is an equidigital number, since it uses as much as digits as its factorization.

216272029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 216272029 is about 14706.1901592493. The cubic root of 216272029 is about 600.2517730395.

The spelling of 216272029 in words is "two hundred sixteen million, two hundred seventy-two thousand, twenty-nine".