3655125 has 60 divisors (see below), whose sum is σ = 7191756. Its totient is φ = 1846800.

The previous prime is 3655121. The next prime is 3655133. The reversal of 3655125 is 5215563.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3655125 is a `hidden beast` number, since 3 + 655 + 1 + 2 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 3538161 = 342^2 + 1881^2 .

It is not a de Polignac number, because 3655125 - 2² = 3655121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

3655125 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655121) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 192366 + ... + 192384.

Almost surely, 2^3655125 is an apocalyptic number.

It is an amenable number.

3655125 is a deficient number, since it is larger than the sum of its proper divisors (3536631).

3655125 is an equidigital number, since it uses as much as digits as its factorization.

3655125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 27 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 3655125 is about 1911.8381207623. The cubic root of 3655125 is about 154.0402014571.

Multiplying 3655125 by its product of digits (4500), we get a square (16448062500 = 128250²).

The spelling of 3655125 in words is "three million, six hundred fifty-five thousand, one hundred twenty-five".