243225243453201 has 16 divisors (see below), whose sum is σ = 343380510157824. Its totient is φ = 152610274851584.

The previous prime is 243225243453187. The next prime is 243225243453217. The reversal of 243225243453201 is 102354342522342.

It is a cyclic number.

It is not a de Polignac number, because 243225243453201 - 2⁵ = 243225243453169 is a prime.

It is a super-2 number, since 2×243225243453201² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243225243453271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20872305 + ... + 30366158.

It is an arithmetic number, because the mean of its divisors is an integer number (21461281884864).

Almost surely, 2^{243225243453201} is an apocalyptic number.

It is an amenable number.

243225243453201 is a deficient number, since it is larger than the sum of its proper divisors (100155266704623).

243225243453201 is a wasteful number, since it uses less digits than its factorization.

243225243453201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51331560.

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 243225243453201 its reverse (102354342522342), we get a palindrome (345579585975543).

The spelling of 243225243453201 in words is "two hundred forty-three trillion, two hundred twenty-five billion, two hundred forty-three million, four hundred fifty-three thousand, two hundred one".