238525238 has 12 divisors (see below), whose sum is σ = 416202372. Its totient is φ = 102225060.

The previous prime is 238525223. The next prime is 238525241. The reversal of 238525238 is 832525832.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1216868 + ... + 1217063.

It is an arithmetic number, because the mean of its divisors is an integer number (34683531).

Almost surely, 2^238525238 is an apocalyptic number.

238525238 is a deficient number, since it is larger than the sum of its proper divisors (177677134).

238525238 is a wasteful number, since it uses less digits than its factorization.

238525238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433947 (or 2433940 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 238525238 is about 15444.2623002849. The cubic root of 238525238 is about 620.1709882191.

The spelling of 238525238 in words is "two hundred thirty-eight million, five hundred twenty-five thousand, two hundred thirty-eight".