4025541 has 16 divisors (see below), whose sum is σ = 5818176. Its totient is φ = 2461056.

The previous prime is 4025521. The next prime is 4025543. The reversal of 4025541 is 1455204.

It is not a de Polignac number, because 4025541 - 2⁹ = 4025029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8866 + ... + 9308.

It is an arithmetic number, because the mean of its divisors is an integer number (363636).

Almost surely, 2^4025541 is an apocalyptic number.

It is an amenable number.

4025541 is a deficient number, since it is larger than the sum of its proper divisors (1792635).

4025541 is a wasteful number, since it uses less digits than its factorization.

4025541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4025541 is about 2006.3750895583. The cubic root of 4025541 is about 159.0772537049.

The spelling of 4025541 in words is "four million, twenty-five thousand, five hundred forty-one".