242765753 has 2 divisors, whose sum is σ = 242765754. Its totient is φ = 242765752.

The previous prime is 242765749. The next prime is 242765771. The reversal of 242765753 is 357567242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152078224 + 90687529 = 12332^2 + 9523^2 .

It is a cyclic number.

It is not a de Polignac number, because 242765753 - 2² = 242765749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242765753.

It is not a weakly prime, because it can be changed into another prime (242765153) 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, 121382876 + 121382877.

It is an arithmetic number, because the mean of its divisors is an integer number (121382877).

Almost surely, 2^242765753 is an apocalyptic number.

It is an amenable number.

242765753 is a deficient number, since it is larger than the sum of its proper divisors (1).

242765753 is an equidigital number, since it uses as much as digits as its factorization.

242765753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 41.

The square root of 242765753 is about 15580.9419805094. The cubic root of 242765753 is about 623.8245666495.

The spelling of 242765753 in words is "two hundred forty-two million, seven hundred sixty-five thousand, seven hundred fifty-three".