242993759 has 2 divisors, whose sum is σ = 242993760. Its totient is φ = 242993758.

The previous prime is 242993701. The next prime is 242993761. The reversal of 242993759 is 957399242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242993759 is a prime.

It is a Sophie Germain prime.

Together with 242993761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242993659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121496879 + 121496880.

It is an arithmetic number, because the mean of its divisors is an integer number (121496880).

Almost surely, 2^242993759 is an apocalyptic number.

242993759 is a deficient number, since it is larger than the sum of its proper divisors (1).

242993759 is an equidigital number, since it uses as much as digits as its factorization.

242993759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 242993759 is about 15588.2570866662. The cubic root of 242993759 is about 624.0198045640.

The spelling of 242993759 in words is "two hundred forty-two million, nine hundred ninety-three thousand, seven hundred fifty-nine".