242408237 has 2 divisors, whose sum is σ = 242408238. Its totient is φ = 242408236.

The previous prime is 242408233. The next prime is 242408263. The reversal of 242408237 is 732804242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233050756 + 9357481 = 15266^2 + 3059^2 .

It is a cyclic number.

It is not a de Polignac number, because 242408237 - 2² = 242408233 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 (242408233) 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, 121204118 + 121204119.

It is an arithmetic number, because the mean of its divisors is an integer number (121204119).

Almost surely, 2^242408237 is an apocalyptic number.

It is an amenable number.

242408237 is a deficient number, since it is larger than the sum of its proper divisors (1).

242408237 is an equidigital number, since it uses as much as digits as its factorization.

242408237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 242408237 is about 15569.4648912543. The cubic root of 242408237 is about 623.5181851093.

The spelling of 242408237 in words is "two hundred forty-two million, four hundred eight thousand, two hundred thirty-seven".