243054412501 has 2 divisors, whose sum is σ = 243054412502. Its totient is φ = 243054412500.

The previous prime is 243054412459. The next prime is 243054412541. The reversal of 243054412501 is 105214450342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158504311876 + 84550100625 = 398126^2 + 290775^2 .

It is a cyclic number.

It is not a de Polignac number, because 243054412501 - 2¹⁹ = 243053888213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243054412541) 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, 121527206250 + 121527206251.

It is an arithmetic number, because the mean of its divisors is an integer number (121527206251).

Almost surely, 2^243054412501 is an apocalyptic number.

It is an amenable number.

243054412501 is a deficient number, since it is larger than the sum of its proper divisors (1).

243054412501 is an equidigital number, since it uses as much as digits as its factorization.

243054412501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 243054412501 its reverse (105214450342), we get a palindrome (348268862843).

The spelling of 243054412501 in words is "two hundred forty-three billion, fifty-four million, four hundred twelve thousand, five hundred one".