243425245241 has 4 divisors (see below), whose sum is σ = 257744377332. Its totient is φ = 229106113152.

The previous prime is 243425245213. The next prime is 243425245289. The reversal of 243425245241 is 142542524342.

243425245241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208304611216 + 35120634025 = 456404^2 + 187405^2 .

It is a cyclic number.

It is not a de Polignac number, because 243425245241 - 2⁶ = 243425245177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243425245195 and 243425245204.

It is not an unprimeable number, because it can be changed into a prime (243425245211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7159566020 + ... + 7159566053.

It is an arithmetic number, because the mean of its divisors is an integer number (64436094333).

Almost surely, 2^243425245241 is an apocalyptic number.

It is an amenable number.

243425245241 is a deficient number, since it is larger than the sum of its proper divisors (14319132091).

243425245241 is a wasteful number, since it uses less digits than its factorization.

243425245241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14319132090.

The product of its digits is 307200, while the sum is 38.

Adding to 243425245241 its reverse (142542524342), we get a palindrome (385967769583).

The spelling of 243425245241 in words is "two hundred forty-three billion, four hundred twenty-five million, two hundred forty-five thousand, two hundred forty-one".