242435887 has 2 divisors, whose sum is σ = 242435888. Its totient is φ = 242435886.

The previous prime is 242435881. The next prime is 242435891. The reversal of 242435887 is 788534242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242435887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242435881) 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, 121217943 + 121217944.

It is an arithmetic number, because the mean of its divisors is an integer number (121217944).

Almost surely, 2^242435887 is an apocalyptic number.

242435887 is a deficient number, since it is larger than the sum of its proper divisors (1).

242435887 is an equidigital number, since it uses as much as digits as its factorization.

242435887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 43.

The square root of 242435887 is about 15570.3528219498. The cubic root of 242435887 is about 623.5418911551.

The spelling of 242435887 in words is "two hundred forty-two million, four hundred thirty-five thousand, eight hundred eighty-seven".