242425150421 has 2 divisors, whose sum is σ = 242425150422. Its totient is φ = 242425150420.

The previous prime is 242425150403. The next prime is 242425150423. The reversal of 242425150421 is 124051524242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234091468900 + 8333681521 = 483830^2 + 91289^2 .

It is a cyclic number.

It is not a de Polignac number, because 242425150421 - 2²⁶ = 242358041557 is a prime.

Together with 242425150423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242425150423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121212575210 + 121212575211.

It is an arithmetic number, because the mean of its divisors is an integer number (121212575211).

Almost surely, 2^242425150421 is an apocalyptic number.

It is an amenable number.

242425150421 is a deficient number, since it is larger than the sum of its proper divisors (1).

242425150421 is an equidigital number, since it uses as much as digits as its factorization.

242425150421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 242425150421 its reverse (124051524242), we get a palindrome (366476674663).

The spelling of 242425150421 in words is "two hundred forty-two billion, four hundred twenty-five million, one hundred fifty thousand, four hundred twenty-one".