242000505361 has 2 divisors, whose sum is σ = 242000505362. Its totient is φ = 242000505360.

The previous prime is 242000505359. The next prime is 242000505413. The reversal of 242000505361 is 163505000242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194343432336 + 47657073025 = 440844^2 + 218305^2 .

It is a cyclic number.

It is not a de Polignac number, because 242000505361 - 2¹ = 242000505359 is a prime.

Together with 242000505359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242000575361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121000252680 + 121000252681.

It is an arithmetic number, because the mean of its divisors is an integer number (121000252681).

Almost surely, 2^242000505361 is an apocalyptic number.

It is an amenable number.

242000505361 is a deficient number, since it is larger than the sum of its proper divisors (1).

242000505361 is an equidigital number, since it uses as much as digits as its factorization.

242000505361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 242000505361 in words is "two hundred forty-two billion, five hundred five thousand, three hundred sixty-one".