242434253 has 2 divisors, whose sum is σ = 242434254. Its totient is φ = 242434252.

The previous prime is 242434201. The next prime is 242434267. The reversal of 242434253 is 352434242.

It is a happy number.

242434253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231131209 + 11303044 = 15203^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 242434253 - 2¹⁶ = 242368717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242434453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121217126 + 121217127.

It is an arithmetic number, because the mean of its divisors is an integer number (121217127).

Almost surely, 2^242434253 is an apocalyptic number.

It is an amenable number.

242434253 is a deficient number, since it is larger than the sum of its proper divisors (1).

242434253 is an equidigital number, since it uses as much as digits as its factorization.

242434253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 29.

The square root of 242434253 is about 15570.3003503465. The cubic root of 242434253 is about 623.5404902765.

Adding to 242434253 its reverse (352434242), we get a palindrome (594868495).

The spelling of 242434253 in words is "two hundred forty-two million, four hundred thirty-four thousand, two hundred fifty-three".