4085025 has 48 divisors (see below), whose sum is σ = 7999488. Its totient is φ = 1800000.

The previous prime is 4084999. The next prime is 4085033. The reversal of 4085025 is 5205804.

4085025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4085025 - 2¹⁰ = 4084001 is a prime.

4085025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4084986 and 4085004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16150 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (166656).

Almost surely, 2^4085025 is an apocalyptic number.

It is an amenable number.

4085025 is a deficient number, since it is larger than the sum of its proper divisors (3914463).

4085025 is a wasteful number, since it uses less digits than its factorization.

4085025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4085025 is about 2021.1444777650. The cubic root of 4085025 is about 159.8569685298.

The spelling of 4085025 in words is "four million, eighty-five thousand, twenty-five".