243201132225 has 36 divisors (see below), whose sum is σ = 444868359936. Its totient is φ = 126947535840.

The previous prime is 243201132193. The next prime is 243201132257. The reversal of 243201132225 is 522231102342.

243201132225 is a `hidden beast` number, since 2 + 4 + 320 + 11 + 322 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (243201132193) and next prime (243201132257).

It is not a de Polignac number, because 243201132225 - 2⁵ = 243201132193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11488297 + ... + 11509446.

Almost surely, 2^243201132225 is an apocalyptic number.

243201132225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243201132225 is a deficient number, since it is larger than the sum of its proper divisors (201667227711).

243201132225 is a wasteful number, since it uses less digits than its factorization.

243201132225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22997806 (or 22997798 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 243201132225 its reverse (522231102342), we get a palindrome (765432234567).

The spelling of 243201132225 in words is "two hundred forty-three billion, two hundred one million, one hundred thirty-two thousand, two hundred twenty-five".