238249211 has 2 divisors, whose sum is σ = 238249212. Its totient is φ = 238249210.

The previous prime is 238249201. The next prime is 238249213. The reversal of 238249211 is 112942832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238249211 - 2¹⁸ = 237987067 is a prime.

Together with 238249213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238249213) 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 as a sum of consecutive naturals, namely, 119124605 + 119124606.

It is an arithmetic number, because the mean of its divisors is an integer number (119124606).

Almost surely, 2^238249211 is an apocalyptic number.

238249211 is a deficient number, since it is larger than the sum of its proper divisors (1).

238249211 is an equidigital number, since it uses as much as digits as its factorization.

238249211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 238249211 is about 15435.3234821950. The cubic root of 238249211 is about 619.9316704094.

The spelling of 238249211 in words is "two hundred thirty-eight million, two hundred forty-nine thousand, two hundred eleven".