242727313 has 2 divisors, whose sum is σ = 242727314. Its totient is φ = 242727312.

The previous prime is 242727307. The next prime is 242727347. The reversal of 242727313 is 313727242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159971904 + 82755409 = 12648^2 + 9097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242727313 is a prime.

It is not a weakly prime, because it can be changed into another prime (242727713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121363656 + 121363657.

It is an arithmetic number, because the mean of its divisors is an integer number (121363657).

Almost surely, 2^242727313 is an apocalyptic number.

It is an amenable number.

242727313 is a deficient number, since it is larger than the sum of its proper divisors (1).

242727313 is an equidigital number, since it uses as much as digits as its factorization.

242727313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 242727313 is about 15579.7083733939. The cubic root of 242727313 is about 623.7916390477.

The spelling of 242727313 in words is "two hundred forty-two million, seven hundred twenty-seven thousand, three hundred thirteen".