3938825025 has 36 divisors (see below), whose sum is σ = 7059897468. Its totient is φ = 2099210880.

The previous prime is 3938824997. The next prime is 3938825041. The reversal of 3938825025 is 5205288393.

3938825025 is a `hidden beast` number, since 39 + 38 + 82 + 502 + 5 = 666.

3938825025 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 13927824 + 3924897201 = 3732^2 + 62649^2 .

It is not a de Polignac number, because 3938825025 - 2²³ = 3930436417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 357499 + ... + 368351.

It is an arithmetic number, because the mean of its divisors is an integer number (196108263).

Almost surely, 2^3938825025 is an apocalyptic number.

It is an amenable number.

3938825025 is a deficient number, since it is larger than the sum of its proper divisors (3121072443).

3938825025 is a wasteful number, since it uses less digits than its factorization.

3938825025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482 (or 12474 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 3938825025 is about 62760.0591538918. The cubic root of 3938825025 is about 1579.2670083189.

The spelling of 3938825025 in words is "three billion, nine hundred thirty-eight million, eight hundred twenty-five thousand, twenty-five".