242523540533 has 2 divisors, whose sum is σ = 242523540534. Its totient is φ = 242523540532.

The previous prime is 242523540521. The next prime is 242523540593. The reversal of 242523540533 is 335045325242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176835388324 + 65688152209 = 420518^2 + 256297^2 .

It is a cyclic number.

It is not a de Polignac number, because 242523540533 - 2⁴ = 242523540517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242523540593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121261770266 + 121261770267.

It is an arithmetic number, because the mean of its divisors is an integer number (121261770267).

Almost surely, 2^242523540533 is an apocalyptic number.

It is an amenable number.

242523540533 is a deficient number, since it is larger than the sum of its proper divisors (1).

242523540533 is an equidigital number, since it uses as much as digits as its factorization.

242523540533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 242523540533 its reverse (335045325242), we get a palindrome (577568865775).

The spelling of 242523540533 in words is "two hundred forty-two billion, five hundred twenty-three million, five hundred forty thousand, five hundred thirty-three".