242345407 has 2 divisors, whose sum is σ = 242345408. Its totient is φ = 242345406.

The previous prime is 242345401. The next prime is 242345413. The reversal of 242345407 is 704543242.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (242345401) and next prime (242345413).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242345407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242345401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121172703 + 121172704.

It is an arithmetic number, because the mean of its divisors is an integer number (121172704).

Almost surely, 2^242345407 is an apocalyptic number.

242345407 is a deficient number, since it is larger than the sum of its proper divisors (1).

242345407 is an equidigital number, since it uses as much as digits as its factorization.

242345407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 242345407 is about 15567.4470289768. The cubic root of 242345407 is about 623.4643103823.

Adding to 242345407 its reverse (704543242), we get a palindrome (946888649).

The spelling of 242345407 in words is "two hundred forty-two million, three hundred forty-five thousand, four hundred seven".