238529 has 2 divisors, whose sum is σ = 238530. Its totient is φ = 238528.

The previous prime is 238519. The next prime is 238531. The reversal of 238529 is 925832.

238529 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 can be written as a sum of positive squares in only one way, i.e., 204304 + 34225 = 452^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 238529 - 2¹⁶ = 172993 is a prime.

Together with 238531, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (238519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119264 + 119265.

It is an arithmetic number, because the mean of its divisors is an integer number (119265).

2²³⁸⁵²⁹ is an apocalyptic number.

It is an amenable number.

238529 is a deficient number, since it is larger than the sum of its proper divisors (1).

238529 is an equidigital number, since it uses as much as digits as its factorization.

238529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 238529 is about 488.3943079111. The cubic root of 238529 is about 62.0174248630.

It can be divided in two parts, 238 and 529, that added together give a palindrome (767).

The spelling of 238529 in words is "two hundred thirty-eight thousand, five hundred twenty-nine".