238182011 has 2 divisors, whose sum is σ = 238182012. Its totient is φ = 238182010.

The previous prime is 238182001. The next prime is 238182047. The reversal of 238182011 is 110281832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238182011 - 2¹⁸ = 237919867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (238182001) 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, 119091005 + 119091006.

It is an arithmetic number, because the mean of its divisors is an integer number (119091006).

Almost surely, 2^238182011 is an apocalyptic number.

238182011 is a deficient number, since it is larger than the sum of its proper divisors (1).

238182011 is an equidigital number, since it uses as much as digits as its factorization.

238182011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 238182011 is about 15433.1465035488. The cubic root of 238182011 is about 619.8733794494.

The spelling of 238182011 in words is "two hundred thirty-eight million, one hundred eighty-two thousand, eleven".