242450441 has 2 divisors, whose sum is σ = 242450442. Its totient is φ = 242450440.

The previous prime is 242450437. The next prime is 242450491. The reversal of 242450441 is 144054242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165379600 + 77070841 = 12860^2 + 8779^2 .

It is a cyclic number.

It is not a de Polignac number, because 242450441 - 2² = 242450437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242450441.

It is not a weakly prime, because it can be changed into another prime (242450401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121225220 + 121225221.

It is an arithmetic number, because the mean of its divisors is an integer number (121225221).

Almost surely, 2^242450441 is an apocalyptic number.

It is an amenable number.

242450441 is a deficient number, since it is larger than the sum of its proper divisors (1).

242450441 is an equidigital number, since it uses as much as digits as its factorization.

242450441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 242450441 is about 15570.8201774987. The cubic root of 242450441 is about 623.5543684706.

The spelling of 242450441 in words is "two hundred forty-two million, four hundred fifty thousand, four hundred forty-one".