242362643 has 2 divisors, whose sum is σ = 242362644. Its totient is φ = 242362642.

The previous prime is 242362621. The next prime is 242362669. The reversal of 242362643 is 346263242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242362643 - 2⁶ = 242362579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242362243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121181321 + 121181322.

It is an arithmetic number, because the mean of its divisors is an integer number (121181322).

Almost surely, 2^242362643 is an apocalyptic number.

242362643 is a deficient number, since it is larger than the sum of its proper divisors (1).

242362643 is an equidigital number, since it uses as much as digits as its factorization.

242362643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 32.

The square root of 242362643 is about 15568.0006102261. Note that the first 3 decimals coincide. The cubic root of 242362643 is about 623.4790906310.

The spelling of 242362643 in words is "two hundred forty-two million, three hundred sixty-two thousand, six hundred forty-three".