242453339 has 2 divisors, whose sum is σ = 242453340. Its totient is φ = 242453338.

The previous prime is 242453317. The next prime is 242453353. The reversal of 242453339 is 933354242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242453339 - 2⁸ = 242453083 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 242453299 and 242453308.

It is not a weakly prime, because it can be changed into another prime (242453399) 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, 121226669 + 121226670.

It is an arithmetic number, because the mean of its divisors is an integer number (121226670).

Almost surely, 2^242453339 is an apocalyptic number.

242453339 is a deficient number, since it is larger than the sum of its proper divisors (1).

242453339 is an equidigital number, since it uses as much as digits as its factorization.

242453339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 242453339 is about 15570.9132359024. The cubic root of 242453339 is about 623.5568529004.

The spelling of 242453339 in words is "two hundred forty-two million, four hundred fifty-three thousand, three hundred thirty-nine".