3625789725 has 18 divisors (see below), whose sum is σ = 6494192666. Its totient is φ = 1933754400.

The previous prime is 3625789723. The next prime is 3625789753. The reversal of 3625789725 is 5279875263.

3625789725 is a `hidden beast` number, since 3 + 62 + 578 + 9 + 7 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 930311001 + 2695478724 = 30501^2 + 51918^2 .

It is not a de Polignac number, because 3625789725 - 2¹ = 3625789723 is a prime.

It is a super-2 number, since 2×3625789725² = 26292702259831151250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625789721) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8057086 + ... + 8057535.

Almost surely, 2^3625789725 is an apocalyptic number.

It is an amenable number.

3625789725 is a deficient number, since it is larger than the sum of its proper divisors (2868402941).

3625789725 is a wasteful number, since it uses less digits than its factorization.

3625789725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16114637 (or 16114629 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 3625789725 is about 60214.5308459677. The cubic root of 3625789725 is about 1536.2699580950.

The spelling of 3625789725 in words is "three billion, six hundred twenty-five million, seven hundred eighty-nine thousand, seven hundred twenty-five".