4243633025 has 6 divisors (see below), whose sum is σ = 5262104982. Its totient is φ = 3394906400.

The previous prime is 4243633021. The next prime is 4243633157. The reversal of 4243633025 is 5203363424.

4243633025 is digitally balanced in base 3, 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 3 ways, for example, as 353740864 + 3889892161 = 18808^2 + 62369^2 .

It is not a de Polignac number, because 4243633025 - 2² = 4243633021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4243632982 and 4243633000.

It is not an unprimeable number, because it can be changed into a prime (4243633021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84872636 + ... + 84872685.

It is an arithmetic number, because the mean of its divisors is an integer number (877017497).

Almost surely, 2^4243633025 is an apocalyptic number.

It is an amenable number.

4243633025 is a deficient number, since it is larger than the sum of its proper divisors (1018471957).

4243633025 is a wasteful number, since it uses less digits than its factorization.

4243633025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169745331 (or 169745326 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 4243633025 is about 65143.1732800913. The cubic root of 4243633025 is about 1618.9966129442.

Adding to 4243633025 its reverse (5203363424), we get a palindrome (9446996449).

The spelling of 4243633025 in words is "four billion, two hundred forty-three million, six hundred thirty-three thousand, twenty-five".