3906875025 has 63 divisors (see below), whose sum is σ = 7279186539. Its totient is φ = 2079166320.

The previous prime is 3906875017. The next prime is 3906875051. The reversal of 3906875025 is 5205786093.

It is a happy number.

The square root of 3906875025 is 62505.

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

It can be written as a sum of positive squares in only one way, i.e., 1406475009 + 2500400016 = 37503^2 + 50004^2 .

It is not a de Polignac number, because 3906875025 - 2³ = 3906875017 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 8437944 + ... + 8438406.

Almost surely, 2^3906875025 is an apocalyptic number.

3906875025 is the 62505-th square number.

3906875025 is the 31253-rd centered octagonal number.

It is an amenable number.

3906875025 is a deficient number, since it is larger than the sum of its proper divisors (3372311514).

3906875025 is an frugal number, since it uses more digits than its factorization.

3906875025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The cubic root of 3906875025 is about 1574.9853059854.

The spelling of 3906875025 in words is "three billion, nine hundred six million, eight hundred seventy-five thousand, twenty-five".