238151 has 2 divisors, whose sum is σ = 238152. Its totient is φ = 238150.
The previous prime is 238141. The next prime is 238157. The reversal of 238151 is 151832.
238151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-238151 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 (238157) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119075 + 119076.
It is an arithmetic number, because the mean of its divisors is an integer number (119076).
2238151 is an apocalyptic number.
238151 is a deficient number, since it is larger than the sum of its proper divisors (1).
238151 is an equidigital number, since it uses as much as digits as its factorization.
238151 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 240, while the sum is 20.
The square root of 238151 is about 488.0071720784. The cubic root of 238151 is about 61.9846476036.
Adding to 238151 its reverse (151832), we get a palindrome (389983).
The spelling of 238151 in words is "two hundred thirty-eight thousand, one hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.135 sec. • engine limits •