242412427 has 2 divisors, whose sum is σ = 242412428. Its totient is φ = 242412426.

The previous prime is 242412397. The next prime is 242412437. The reversal of 242412427 is 724214242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242412427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242412395 and 242412404.

It is not a weakly prime, because it can be changed into another prime (242412437) 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, 121206213 + 121206214.

It is an arithmetic number, because the mean of its divisors is an integer number (121206214).

Almost surely, 2^242412427 is an apocalyptic number.

242412427 is a deficient number, since it is larger than the sum of its proper divisors (1).

242412427 is an equidigital number, since it uses as much as digits as its factorization.

242412427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 28.

The square root of 242412427 is about 15569.5994489261. The cubic root of 242412427 is about 623.5217775699.

Adding to 242412427 its reverse (724214242), we get a palindrome (966626669).

The spelling of 242412427 in words is "two hundred forty-two million, four hundred twelve thousand, four hundred twenty-seven".