3906250025 has 12 divisors (see below), whose sum is σ = 4974663372. Its totient is φ = 3040539840.

The previous prime is 3906249973. The next prime is 3906250039. The reversal of 3906250025 is 5200526093.

It can be written as a sum of positive squares in 6 ways, for example, as 370639504 + 3535610521 = 19252^2 + 59461^2 .

It is not a de Polignac number, because 3906250025 - 2⁸ = 3906249769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3906249973 and 3906250000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110562 + ... + 2112411.

It is an arithmetic number, because the mean of its divisors is an integer number (414555281).

Almost surely, 2^3906250025 is an apocalyptic number.

It is an amenable number.

3906250025 is a deficient number, since it is larger than the sum of its proper divisors (1068413347).

3906250025 is a wasteful number, since it uses less digits than its factorization.

3906250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223020 (or 4223015 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3906250025 is about 62500.0002000000. Note that the first 3 decimals coincide. The cubic root of 3906250025 is about 1574.9013157284.

It can be divided in two parts, 39062500 and 25, that multiplied together give a square (976562500 = 31250²).

The spelling of 3906250025 in words is "three billion, nine hundred six million, two hundred fifty thousand, twenty-five".