4025857 has 8 divisors (see below), whose sum is σ = 4425120. Its totient is φ = 3632160.

The previous prime is 4025849. The next prime is 4025863. The reversal of 4025857 is 7585204.

4025857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4025857 - 2³ = 4025849 is a prime.

It is a Duffinian number.

4025857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4025807) 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 7 ways as a sum of consecutive naturals, for example, 213 + ... + 2845.

It is an arithmetic number, because the mean of its divisors is an integer number (553140).

Almost surely, 2^4025857 is an apocalyptic number.

It is an amenable number.

4025857 is a deficient number, since it is larger than the sum of its proper divisors (399263).

4025857 is a wasteful number, since it uses less digits than its factorization.

4025857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4025857 is about 2006.4538369970. The cubic root of 4025857 is about 159.0814160520.

The spelling of 4025857 in words is "four million, twenty-five thousand, eight hundred fifty-seven".