238425237 has 6 divisors (see below), whose sum is σ = 344392022. Its totient is φ = 158950152.

The previous prime is 238425233. The next prime is 238425241. The reversal of 238425237 is 732524832.

It is an interprime number because it is at equal distance from previous prime (238425233) and next prime (238425241).

It can be written as a sum of positive squares in only one way, i.e., 237961476 + 463761 = 15426^2 + 681^2 .

It is not a de Polignac number, because 238425237 - 2² = 238425233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238425233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13245838 + ... + 13245855.

Almost surely, 2^238425237 is an apocalyptic number.

It is an amenable number.

238425237 is a deficient number, since it is larger than the sum of its proper divisors (105966785).

238425237 is a wasteful number, since it uses less digits than its factorization.

238425237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26491699 (or 26491696 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 238425237 is about 15441.0244802604. The cubic root of 238425237 is about 620.0843078207.

The spelling of 238425237 in words is "two hundred thirty-eight million, four hundred twenty-five thousand, two hundred thirty-seven".