5243128025 has 12 divisors (see below), whose sum is σ = 6512572752. Its totient is φ = 4187345040.

The previous prime is 5243127997. The next prime is 5243128057. The reversal of 5243128025 is 5208213425.

It is not a de Polignac number, because 5243128025 - 2⁶ = 5243127961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5243127982 and 5243128000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163967 + ... + 193316.

It is an arithmetic number, because the mean of its divisors is an integer number (542714396).

Almost surely, 2^5243128025 is an apocalyptic number.

It is an amenable number.

5243128025 is a deficient number, since it is larger than the sum of its proper divisors (1269444727).

5243128025 is a wasteful number, since it uses less digits than its factorization.

5243128025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357880 (or 357875 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 5243128025 is about 72409.4470701165. The cubic root of 5243128025 is about 1737.2546685340.

The spelling of 5243128025 in words is "five billion, two hundred forty-three million, one hundred twenty-eight thousand, twenty-five".