242605933 has 2 divisors, whose sum is σ = 242605934. Its totient is φ = 242605932.

The previous prime is 242605931. The next prime is 242605943. The reversal of 242605933 is 339506242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229159044 + 13446889 = 15138^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 242605933 - 2¹ = 242605931 is a prime.

Together with 242605931, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242605931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121302966 + 121302967.

It is an arithmetic number, because the mean of its divisors is an integer number (121302967).

Almost surely, 2^242605933 is an apocalyptic number.

It is an amenable number.

242605933 is a deficient number, since it is larger than the sum of its proper divisors (1).

242605933 is an equidigital number, since it uses as much as digits as its factorization.

242605933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 242605933 is about 15575.8124346693. The cubic root of 242605933 is about 623.6876424369.

The spelling of 242605933 in words is "two hundred forty-two million, six hundred five thousand, nine hundred thirty-three".