242355653 has 2 divisors, whose sum is σ = 242355654. Its totient is φ = 242355652.

The previous prime is 242355599. The next prime is 242355667. The reversal of 242355653 is 356553242.

242355653 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., 150234049 + 92121604 = 12257^2 + 9598^2 .

It is a cyclic number.

It is not a de Polignac number, because 242355653 - 2¹⁴ = 242339269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242351653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121177826 + 121177827.

It is an arithmetic number, because the mean of its divisors is an integer number (121177827).

Almost surely, 2^242355653 is an apocalyptic number.

It is an amenable number.

242355653 is a deficient number, since it is larger than the sum of its proper divisors (1).

242355653 is an equidigital number, since it uses as much as digits as its factorization.

242355653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 35.

The square root of 242355653 is about 15567.7761096439. The cubic root of 242355653 is about 623.4730966369.

The spelling of 242355653 in words is "two hundred forty-two million, three hundred fifty-five thousand, six hundred fifty-three".