238012249 has 2 divisors, whose sum is σ = 238012250. Its totient is φ = 238012248.

The previous prime is 238012171. The next prime is 238012253. The reversal of 238012249 is 942210832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171426649 + 66585600 = 13093^2 + 8160^2 .

It is a cyclic number.

It is not a de Polignac number, because 238012249 - 2²⁷ = 103794521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238012249.

It is not a weakly prime, because it can be changed into another prime (238012279) 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, 119006124 + 119006125.

It is an arithmetic number, because the mean of its divisors is an integer number (119006125).

Almost surely, 2^238012249 is an apocalyptic number.

It is an amenable number.

238012249 is a deficient number, since it is larger than the sum of its proper divisors (1).

238012249 is an equidigital number, since it uses as much as digits as its factorization.

238012249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 238012249 is about 15427.6456078042. The cubic root of 238012249 is about 619.7260747966.

The spelling of 238012249 in words is "two hundred thirty-eight million, twelve thousand, two hundred forty-nine".