242241749 has 2 divisors, whose sum is σ = 242241750. Its totient is φ = 242241748.

The previous prime is 242241731. The next prime is 242241793. The reversal of 242241749 is 947142242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183412849 + 58828900 = 13543^2 + 7670^2 .

It is a cyclic number.

It is not a de Polignac number, because 242241749 - 2¹⁶ = 242176213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242241799) 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, 121120874 + 121120875.

It is an arithmetic number, because the mean of its divisors is an integer number (121120875).

Almost surely, 2^242241749 is an apocalyptic number.

It is an amenable number.

242241749 is a deficient number, since it is larger than the sum of its proper divisors (1).

242241749 is an equidigital number, since it uses as much as digits as its factorization.

242241749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 242241749 is about 15564.1173537082. The cubic root of 242241749 is about 623.3754065862.

The spelling of 242241749 in words is "two hundred forty-two million, two hundred forty-one thousand, seven hundred forty-nine".