3825217 has 4 divisors (see below), whose sum is σ = 4172976. Its totient is φ = 3477460.

The previous prime is 3825209. The next prime is 3825223. The reversal of 3825217 is 7125283.

3825217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7125283 = 11 ⋅647753.

It is a cyclic number.

It is not a de Polignac number, because 3825217 - 2³ = 3825209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3825257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173863 + ... + 173884.

It is an arithmetic number, because the mean of its divisors is an integer number (1043244).

Almost surely, 2^3825217 is an apocalyptic number.

It is an amenable number.

3825217 is a deficient number, since it is larger than the sum of its proper divisors (347759).

3825217 is a wasteful number, since it uses less digits than its factorization.

3825217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347758.

The product of its digits is 3360, while the sum is 28.

The square root of 3825217 is about 1955.8161979082. The cubic root of 3825217 is about 156.3934976136.

The spelling of 3825217 in words is "three million, eight hundred twenty-five thousand, two hundred seventeen".