242024551 has 2 divisors, whose sum is σ = 242024552. Its totient is φ = 242024550.

The previous prime is 242024543. The next prime is 242024579. The reversal of 242024551 is 155420242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242024551 - 2³ = 242024543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242024501) 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, 121012275 + 121012276.

It is an arithmetic number, because the mean of its divisors is an integer number (121012276).

Almost surely, 2^242024551 is an apocalyptic number.

242024551 is a deficient number, since it is larger than the sum of its proper divisors (1).

242024551 is an equidigital number, since it uses as much as digits as its factorization.

242024551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 242024551 is about 15557.1382651180. The cubic root of 242024551 is about 623.1890412737.

Adding to 242024551 its reverse (155420242), we get a palindrome (397444793).

The spelling of 242024551 in words is "two hundred forty-two million, twenty-four thousand, five hundred fifty-one".