243054005125 has 16 divisors (see below), whose sum is σ = 309054640752. Its totient is φ = 190774459200.

The previous prime is 243054005119. The next prime is 243054005153. The reversal of 243054005125 is 521500450342.

243054005125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4083593409 + 238970411716 = 63903^2 + 488846^2 .

It is not a de Polignac number, because 243054005125 - 2³⁵ = 208694266757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18337074 + ... + 18350323.

It is an arithmetic number, because the mean of its divisors is an integer number (19315915047).

Almost surely, 2^243054005125 is an apocalyptic number.

243054005125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243054005125 is a deficient number, since it is larger than the sum of its proper divisors (66000635627).

243054005125 is an equidigital number, since it uses as much as digits as its factorization.

243054005125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36687465 (or 36687455 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 243054005125 its reverse (521500450342), we get a palindrome (764554455467).

The spelling of 243054005125 in words is "two hundred forty-three billion, fifty-four million, five thousand, one hundred twenty-five".