243252204053 has 2 divisors, whose sum is σ = 243252204054. Its totient is φ = 243252204052.

The previous prime is 243252204011. The next prime is 243252204089. The reversal of 243252204053 is 350402252342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128560253809 + 114691950244 = 358553^2 + 338662^2 .

It is a cyclic number.

It is not a de Polignac number, because 243252204053 - 2³² = 238957236757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243252204953) 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, 121626102026 + 121626102027.

It is an arithmetic number, because the mean of its divisors is an integer number (121626102027).

Almost surely, 2^243252204053 is an apocalyptic number.

It is an amenable number.

243252204053 is a deficient number, since it is larger than the sum of its proper divisors (1).

243252204053 is an equidigital number, since it uses as much as digits as its factorization.

243252204053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 243252204053 its reverse (350402252342), we get a palindrome (593654456395).

The spelling of 243252204053 in words is "two hundred forty-three billion, two hundred fifty-two million, two hundred four thousand, fifty-three".