3664025 has 12 divisors (see below), whose sum is σ = 4587132. Its totient is φ = 2903040.

The previous prime is 3664013. The next prime is 3664033. The reversal of 3664025 is 5204663.

It can be written as a sum of positive squares in 6 ways, for example, as 38809 + 3625216 = 197^2 + 1904^2 .

It is not a de Polignac number, because 3664025 - 2¹⁰ = 3663001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3663985 and 3664003.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2177 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (382261).

Almost surely, 2^3664025 is an apocalyptic number.

It is an amenable number.

3664025 is a deficient number, since it is larger than the sum of its proper divisors (923107).

3664025 is a wasteful number, since it uses less digits than its factorization.

3664025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3664025 is about 1914.1643085169. The cubic root of 3664025 is about 154.1651261919.

Adding to 3664025 its reverse (5204663), we get a palindrome (8868688).

The spelling of 3664025 in words is "three million, six hundred sixty-four thousand, twenty-five".