3908125225 has 9 divisors (see below), whose sum is σ = 4846462903. Its totient is φ = 3126250120.

The previous prime is 3908125217. The next prime is 3908125229. The reversal of 3908125225 is 5225218093.

The square root of 3908125225 is 62515.

It is a perfect power (a square), and thus also a powerful number.

3908125225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1406925081 + 2501200144 = 37509^2 + 50012^2 .

It is not a de Polignac number, because 3908125225 - 2³ = 3908125217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3908125229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 306324 + ... + 318826.

Almost surely, 2^3908125225 is an apocalyptic number.

3908125225 is the 62515-th square number.

3908125225 is the 31258-th centered octagonal number.

It is an amenable number.

3908125225 is a deficient number, since it is larger than the sum of its proper divisors (938337678).

3908125225 is an frugal number, since it uses more digits than its factorization.

3908125225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25016 (or 12508 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The cubic root of 3908125225 is about 1575.1532865003.

The spelling of 3908125225 in words is "three billion, nine hundred eight million, one hundred twenty-five thousand, two hundred twenty-five".