3825541 has 4 divisors (see below), whose sum is σ = 3928972. Its totient is φ = 3722112.

The previous prime is 3825533. The next prime is 3825557. The reversal of 3825541 is 1455283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1455283 = 149 ⋅9767.

It can be written as a sum of positive squares in 2 ways, for example, as 2512225 + 1313316 = 1585^2 + 1146^2 .

It is a cyclic number.

It is not a de Polignac number, because 3825541 - 2³ = 3825533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825511) 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 3 ways as a sum of consecutive naturals, for example, 51660 + ... + 51733.

It is an arithmetic number, because the mean of its divisors is an integer number (982243).

Almost surely, 2^3825541 is an apocalyptic number.

It is an amenable number.

3825541 is a deficient number, since it is larger than the sum of its proper divisors (103431).

3825541 is a wasteful number, since it uses less digits than its factorization.

3825541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103430.

The product of its digits is 4800, while the sum is 28.

The square root of 3825541 is about 1955.8990260236. The cubic root of 3825541 is about 156.3979130549.

The spelling of 3825541 in words is "three million, eight hundred twenty-five thousand, five hundred forty-one".