4025671 has 4 divisors (see below), whose sum is σ = 4335352. Its totient is φ = 3715992.

The previous prime is 4025657. The next prime is 4025683. The reversal of 4025671 is 1765204.

4025671 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4025671 - 2⁷ = 4025543 is a prime.

It is an Ulam number.

It is a Duffinian number.

4025671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154821 + ... + 154846.

It is an arithmetic number, because the mean of its divisors is an integer number (1083838).

Almost surely, 2^4025671 is an apocalyptic number.

4025671 is a deficient number, since it is larger than the sum of its proper divisors (309681).

4025671 is a wasteful number, since it uses less digits than its factorization.

4025671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309680.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 4025671 is about 2006.4074860307. The cubic root of 4025671 is about 159.0789660892.

The spelling of 4025671 in words is "four million, twenty-five thousand, six hundred seventy-one".