4025685 has 16 divisors (see below), whose sum is σ = 6820416. Its totient is φ = 2020608.

The previous prime is 4025683. The next prime is 4025689. The reversal of 4025685 is 5865204.

It is not a de Polignac number, because 4025685 - 2¹ = 4025683 is a prime.

It is a super-2 number, since 2×4025685² = 32412279438450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7639 + ... + 8148.

It is an arithmetic number, because the mean of its divisors is an integer number (426276).

Almost surely, 2^4025685 is an apocalyptic number.

It is an amenable number.

4025685 is a deficient number, since it is larger than the sum of its proper divisors (2794731).

4025685 is a wasteful number, since it uses less digits than its factorization.

4025685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 4025685 is about 2006.4109748504. The cubic root of 4025685 is about 159.0791504977.

The spelling of 4025685 in words is "four million, twenty-five thousand, six hundred eighty-five".