4045825 has 24 divisors (see below), whose sum is σ = 5842880. Its totient is φ = 2721600.

The previous prime is 4045817. The next prime is 4045829. The reversal of 4045825 is 5285404.

4045825 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 4045825 - 2³ = 4045817 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4045793 and 4045802.

It is not an unprimeable number, because it can be changed into a prime (4045829) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10486 + ... + 10864.

Almost surely, 2^4045825 is an apocalyptic number.

It is an amenable number.

4045825 is a deficient number, since it is larger than the sum of its proper divisors (1797055).

4045825 is a wasteful number, since it uses less digits than its factorization.

4045825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4045825 is about 2011.4236251968. The cubic root of 4045825 is about 159.3439937118.

The spelling of 4045825 in words is "four million, forty-five thousand, eight hundred twenty-five".