238541011 has 2 divisors, whose sum is σ = 238541012. Its totient is φ = 238541010.

The previous prime is 238541003. The next prime is 238541021. The reversal of 238541011 is 110145832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238541011 - 2³ = 238541003 is a prime.

It is not a weakly prime, because it can be changed into another prime (238541021) 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, 119270505 + 119270506.

It is an arithmetic number, because the mean of its divisors is an integer number (119270506).

Almost surely, 2^238541011 is an apocalyptic number.

238541011 is a deficient number, since it is larger than the sum of its proper divisors (1).

238541011 is an equidigital number, since it uses as much as digits as its factorization.

238541011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 238541011 is about 15444.7729345562. The cubic root of 238541011 is about 620.1846579695.

Adding to 238541011 its reverse (110145832), we get a palindrome (348686843).

The spelling of 238541011 in words is "two hundred thirty-eight million, five hundred forty-one thousand, eleven".