242457763 has 2 divisors, whose sum is σ = 242457764. Its totient is φ = 242457762.

The previous prime is 242457739. The next prime is 242457797. The reversal of 242457763 is 367754242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242457763 - 2¹⁷ = 242326691 is a prime.

It is not a weakly prime, because it can be changed into another prime (242457863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121228881 + 121228882.

It is an arithmetic number, because the mean of its divisors is an integer number (121228882).

Almost surely, 2^242457763 is an apocalyptic number.

242457763 is a deficient number, since it is larger than the sum of its proper divisors (1).

242457763 is an equidigital number, since it uses as much as digits as its factorization.

242457763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 40.

The square root of 242457763 is about 15571.0552950017. The cubic root of 242457763 is about 623.5606455185.

The spelling of 242457763 in words is "two hundred forty-two million, four hundred fifty-seven thousand, seven hundred sixty-three".