4102065725 has 12 divisors (see below), whose sum is σ = 5087799360. Its totient is φ = 3280854000.

The previous prime is 4102065707. The next prime is 4102065739. The reversal of 4102065725 is 5275602014.

It is not a de Polignac number, because 4102065725 - 2²⁰ = 4101017149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4102065691 and 4102065700.

It is a congruent number.

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, 98636 + ... + 133914.

It is an arithmetic number, because the mean of its divisors is an integer number (423983280).

Almost surely, 2^4102065725 is an apocalyptic number.

It is an amenable number.

4102065725 is a deficient number, since it is larger than the sum of its proper divisors (985733635).

4102065725 is a wasteful number, since it uses less digits than its factorization.

4102065725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39940 (or 39935 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 4102065725 is about 64047.3709452621. The cubic root of 4102065725 is about 1600.7894183903.

Adding to 4102065725 its reverse (5275602014), we get a palindrome (9377667739).

The spelling of 4102065725 in words is "four billion, one hundred two million, sixty-five thousand, seven hundred twenty-five".