3963520125 has 36 divisors (see below), whose sum is σ = 7148714196. Its totient is φ = 2112751200.

The previous prime is 3963520091. The next prime is 3963520129. The reversal of 3963520125 is 5210253693.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3963520125 is a `hidden beast` number, since 3 + 9 + 6 + 3 + 520 + 125 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 839492676 + 3124027449 = 28974^2 + 55893^2 .

It is not a de Polignac number, because 3963520125 - 2⁷ = 3963519997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3963520125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963520129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2110687 + ... + 2112563.

Almost surely, 2^3963520125 is an apocalyptic number.

It is an amenable number.

3963520125 is a deficient number, since it is larger than the sum of its proper divisors (3185194071).

3963520125 is an frugal number, since it uses more digits than its factorization.

3963520125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 3963520125 is about 62956.4939065066. The cubic root of 3963520125 is about 1582.5606244978.

The spelling of 3963520125 in words is "three billion, nine hundred sixty-three million, five hundred twenty thousand, one hundred twenty-five".