3825505 has 8 divisors (see below), whose sum is σ = 4702824. Its totient is φ = 2985600.

The previous prime is 3825473. The next prime is 3825509. The reversal of 3825505 is 5055283.

3825505 = 614² + 615² + ... + 623².

It can be written as a sum of positive squares in 4 ways, for example, as 154449 + 3671056 = 393^2 + 1916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3825505 - 2⁵ = 3825473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3825509) 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 7 ways as a sum of consecutive naturals, for example, 9126 + ... + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (587853).

Almost surely, 2^3825505 is an apocalyptic number.

It is an amenable number.

3825505 is a deficient number, since it is larger than the sum of its proper divisors (877319).

3825505 is a wasteful number, since it uses less digits than its factorization.

3825505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18707.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3825505 is about 1955.8898230729. The cubic root of 3825505 is about 156.3974224626.

The spelling of 3825505 in words is "three million, eight hundred twenty-five thousand, five hundred five".