242593361 has 2 divisors, whose sum is σ = 242593362. Its totient is φ = 242593360.

The previous prime is 242593339. The next prime is 242593363. The reversal of 242593361 is 163395242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208253761 + 34339600 = 14431^2 + 5860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242593361 is a prime.

Together with 242593363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242593363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121296680 + 121296681.

It is an arithmetic number, because the mean of its divisors is an integer number (121296681).

Almost surely, 2^242593361 is an apocalyptic number.

It is an amenable number.

242593361 is a deficient number, since it is larger than the sum of its proper divisors (1).

242593361 is an equidigital number, since it uses as much as digits as its factorization.

242593361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 242593361 is about 15575.4088549868. The cubic root of 242593361 is about 623.6768689487.

The spelling of 242593361 in words is "two hundred forty-two million, five hundred ninety-three thousand, three hundred sixty-one".