242024609 has 2 divisors, whose sum is σ = 242024610. Its totient is φ = 242024608.

The previous prime is 242024593. The next prime is 242024621. The reversal of 242024609 is 906420242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175960225 + 66064384 = 13265^2 + 8128^2 .

It is a cyclic number.

It is not a de Polignac number, because 242024609 - 2⁴ = 242024593 is a prime.

It is a super-2 number, since 2×242024609² = 117151822723205762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (242024639) 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, 121012304 + 121012305.

It is an arithmetic number, because the mean of its divisors is an integer number (121012305).

Almost surely, 2^242024609 is an apocalyptic number.

It is an amenable number.

242024609 is a deficient number, since it is larger than the sum of its proper divisors (1).

242024609 is an equidigital number, since it uses as much as digits as its factorization.

242024609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 242024609 is about 15557.1401292140. The cubic root of 242024609 is about 623.1890910551.

The spelling of 242024609 in words is "two hundred forty-two million, twenty-four thousand, six hundred nine".