3665125 has 16 divisors (see below), whose sum is σ = 4633200. Its totient is φ = 2894400.

The previous prime is 3665117. The next prime is 3665131. The reversal of 3665125 is 5215663.

It can be written as a sum of positive squares in 8 ways, for example, as 1766241 + 1898884 = 1329^2 + 1378^2 .

It is not a de Polignac number, because 3665125 - 2³ = 3665117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3665093 and 3665102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13491 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (289575).

Almost surely, 2^3665125 is an apocalyptic number.

It is an amenable number.

3665125 is a deficient number, since it is larger than the sum of its proper divisors (968075).

3665125 is a wasteful number, since it uses less digits than its factorization.

3665125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 383 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 3665125 is about 1914.4516186104. The cubic root of 3665125 is about 154.1805522758.

The spelling of 3665125 in words is "three million, six hundred sixty-five thousand, one hundred twenty-five".