242335453 has 2 divisors, whose sum is σ = 242335454. Its totient is φ = 242335452.

The previous prime is 242335441. The next prime is 242335469. The reversal of 242335453 is 354533242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242051364 + 284089 = 15558^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 242335453 - 2⁵ = 242335421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242335403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121167726 + 121167727.

It is an arithmetic number, because the mean of its divisors is an integer number (121167727).

Almost surely, 2^242335453 is an apocalyptic number.

It is an amenable number.

242335453 is a deficient number, since it is larger than the sum of its proper divisors (1).

242335453 is an equidigital number, since it uses as much as digits as its factorization.

242335453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 31.

The square root of 242335453 is about 15567.1273200935. The cubic root of 242335453 is about 623.4557742895.

Adding to 242335453 its reverse (354533242), we get a palindrome (596868695).

The spelling of 242335453 in words is "two hundred forty-two million, three hundred thirty-five thousand, four hundred fifty-three".