243052204601 has 2 divisors, whose sum is σ = 243052204602. Its totient is φ = 243052204600.

The previous prime is 243052204589. The next prime is 243052204639. The reversal of 243052204601 is 106402250342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165587955625 + 77464248976 = 406925^2 + 278324^2 .

It is a cyclic number.

It is not a de Polignac number, because 243052204601 - 2¹⁴ = 243052188217 is a prime.

It is a super-2 number, since 2×243052204601² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243052204651) 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, 121526102300 + 121526102301.

It is an arithmetic number, because the mean of its divisors is an integer number (121526102301).

Almost surely, 2^243052204601 is an apocalyptic number.

It is an amenable number.

243052204601 is a deficient number, since it is larger than the sum of its proper divisors (1).

243052204601 is an equidigital number, since it uses as much as digits as its factorization.

243052204601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 243052204601 its reverse (106402250342), we get a palindrome (349454454943).

The spelling of 243052204601 in words is "two hundred forty-three billion, fifty-two million, two hundred four thousand, six hundred one".