242530001243 has 2 divisors, whose sum is σ = 242530001244. Its totient is φ = 242530001242.

The previous prime is 242530001213. The next prime is 242530001291. The reversal of 242530001243 is 342100035242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242530001243 - 2¹⁴ = 242529984859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242530001213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121265000621 + 121265000622.

It is an arithmetic number, because the mean of its divisors is an integer number (121265000622).

Almost surely, 2^242530001243 is an apocalyptic number.

242530001243 is a deficient number, since it is larger than the sum of its proper divisors (1).

242530001243 is an equidigital number, since it uses as much as digits as its factorization.

242530001243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 242530001243 its reverse (342100035242), we get a palindrome (584630036485).

The spelling of 242530001243 in words is "two hundred forty-two billion, five hundred thirty million, one thousand, two hundred forty-three".