242355313 has 2 divisors, whose sum is σ = 242355314. Its totient is φ = 242355312.

The previous prime is 242355307. The next prime is 242355361. The reversal of 242355313 is 313553242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213978384 + 28376929 = 14628^2 + 5327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242355313 is a prime.

It is not a weakly prime, because it can be changed into another prime (242355413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121177656 + 121177657.

It is an arithmetic number, because the mean of its divisors is an integer number (121177657).

Almost surely, 2^242355313 is an apocalyptic number.

It is an amenable number.

242355313 is a deficient number, since it is larger than the sum of its proper divisors (1).

242355313 is an equidigital number, since it uses as much as digits as its factorization.

242355313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 242355313 is about 15567.7651896475. The cubic root of 242355313 is about 623.4728050806.

The spelling of 242355313 in words is "two hundred forty-two million, three hundred fifty-five thousand, three hundred thirteen".