243432200525 has 12 divisors (see below), whose sum is σ = 302066619252. Its totient is φ = 194609831040.

The previous prime is 243432200503. The next prime is 243432200533. The reversal of 243432200525 is 525002234342.

243432200525 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 6 ways, for example, as 15318022756 + 228114177769 = 123766^2 + 477613^2 .

It is not a de Polignac number, because 243432200525 - 2²² = 243428006221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243432200491 and 243432200500.

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 11 ways as a sum of consecutive naturals, for example, 3361694 + ... + 3433343.

It is an arithmetic number, because the mean of its divisors is an integer number (25172218271).

Almost surely, 2^243432200525 is an apocalyptic number.

243432200525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243432200525 is a deficient number, since it is larger than the sum of its proper divisors (58634418727).

243432200525 is a wasteful number, since it uses less digits than its factorization.

243432200525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796480 (or 6796475 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 243432200525 its reverse (525002234342), we get a palindrome (768434434867).

The spelling of 243432200525 in words is "two hundred forty-three billion, four hundred thirty-two million, two hundred thousand, five hundred twenty-five".