3825021 has 8 divisors (see below), whose sum is σ = 5114880. Its totient is φ = 2542592.

The previous prime is 3825011. The next prime is 3825043. The reversal of 3825021 is 1205283.

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 3825021 - 2¹⁵ = 3792253 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3825011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (639360).

Almost surely, 2^3825021 is an apocalyptic number.

It is an amenable number.

3825021 is a deficient number, since it is larger than the sum of its proper divisors (1289859).

3825021 is a wasteful number, since it uses less digits than its factorization.

3825021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3825021 is about 1955.7660903083. The cubic root of 3825021 is about 156.3908264232.

The spelling of 3825021 in words is "three million, eight hundred twenty-five thousand, twenty-one".