242763907 has 2 divisors, whose sum is σ = 242763908. Its totient is φ = 242763906.

The previous prime is 242763869. The next prime is 242763943. The reversal of 242763907 is 709367242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242763907 - 2¹¹ = 242761859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242763907.

It is not a weakly prime, because it can be changed into another prime (242763947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121381953 + 121381954.

It is an arithmetic number, because the mean of its divisors is an integer number (121381954).

Almost surely, 2^242763907 is an apocalyptic number.

242763907 is a deficient number, since it is larger than the sum of its proper divisors (1).

242763907 is an equidigital number, since it uses as much as digits as its factorization.

242763907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 242763907 is about 15580.8827413597. The cubic root of 242763907 is about 623.8229854502.

The spelling of 242763907 in words is "two hundred forty-two million, seven hundred sixty-three thousand, nine hundred seven".