4125685525 has 24 divisors (see below), whose sum is σ = 5637521120. Its totient is φ = 2975797440.

The previous prime is 4125685523. The next prime is 4125685567. The reversal of 4125685525 is 5255865214.

It is not a de Polignac number, because 4125685525 - 2¹ = 4125685523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125685523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133635 + ... + 161584.

Almost surely, 2^4125685525 is an apocalyptic number.

It is an amenable number.

4125685525 is a deficient number, since it is larger than the sum of its proper divisors (1511835595).

4125685525 is a wasteful number, since it uses less digits than its factorization.

4125685525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295285 (or 295280 counting only the distinct ones).

The product of its digits is 480000, while the sum is 43.

The square root of 4125685525 is about 64231.4994765030. The cubic root of 4125685525 is about 1603.8560022979.

The spelling of 4125685525 in words is "four billion, one hundred twenty-five million, six hundred eighty-five thousand, five hundred twenty-five".