3125985 has 16 divisors (see below), whose sum is σ = 5026560. Its totient is φ = 1658880.

The previous prime is 3125959. The next prime is 3125989. The reversal of 3125985 is 5895213.

It is not a de Polignac number, because 3125985 - 2⁶ = 3125921 is a prime.

It is a super-3 number, since 3×3125985³ = 91639333931070139875, which contains 333 as substring.

3125985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3125989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3681 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (314160).

Almost surely, 2^3125985 is an apocalyptic number.

It is an amenable number.

3125985 is a deficient number, since it is larger than the sum of its proper divisors (1900575).

3125985 is a wasteful number, since it uses less digits than its factorization.

3125985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

The product of its digits is 10800, while the sum is 33.

The square root of 3125985 is about 1768.0455310879. The cubic root of 3125985 is about 146.2162461369.

The spelling of 3125985 in words is "three million, one hundred twenty-five thousand, nine hundred eighty-five".