242414251 has 2 divisors, whose sum is σ = 242414252. Its totient is φ = 242414250.

The previous prime is 242414243. The next prime is 242414281. The reversal of 242414251 is 152414242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242414251 - 2³ = 242414243 is a prime.

It is not a weakly prime, because it can be changed into another prime (242414231) 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, 121207125 + 121207126.

It is an arithmetic number, because the mean of its divisors is an integer number (121207126).

Almost surely, 2^242414251 is an apocalyptic number.

242414251 is a deficient number, since it is larger than the sum of its proper divisors (1).

242414251 is an equidigital number, since it uses as much as digits as its factorization.

242414251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 25.

The square root of 242414251 is about 15569.6580245039. The cubic root of 242414251 is about 623.5233414348.

Adding to 242414251 its reverse (152414242), we get a palindrome (394828493).

Subtracting from 242414251 its reverse (152414242), we obtain a palindrome (90000009).

The spelling of 242414251 in words is "two hundred forty-two million, four hundred fourteen thousand, two hundred fifty-one".