242756473 has 2 divisors, whose sum is σ = 242756474. Its totient is φ = 242756472.

The previous prime is 242756471. The next prime is 242756533. The reversal of 242756473 is 374657242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242518329 + 238144 = 15573^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 242756473 - 2¹ = 242756471 is a prime.

Together with 242756471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242756471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121378236 + 121378237.

It is an arithmetic number, because the mean of its divisors is an integer number (121378237).

Almost surely, 2^242756473 is an apocalyptic number.

It is an amenable number.

242756473 is a deficient number, since it is larger than the sum of its proper divisors (1).

242756473 is an equidigital number, since it uses as much as digits as its factorization.

242756473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 40.

The square root of 242756473 is about 15580.6441779536. The cubic root of 242756473 is about 623.8166177444.

The spelling of 242756473 in words is "two hundred forty-two million, seven hundred fifty-six thousand, four hundred seventy-three".