3660525 has 96 divisors (see below), whose sum is σ = 8035200. Its totient is φ = 1612800.

The previous prime is 3660523. The next prime is 3660541. The reversal of 3660525 is 5250663.

3660525 is a `hidden beast` number, since 36 + 605 + 25 = 666.

It is not a de Polignac number, because 3660525 - 2¹ = 3660523 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 126211 + ... + 126239.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

Almost surely, 2^3660525 is an apocalyptic number.

3660525 is the 957-th decagonal number.

It is an amenable number.

3660525 is an abundant number, since it is smaller than the sum of its proper divisors (4374675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3660525 is a wasteful number, since it uses less digits than its factorization.

3660525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3660525 is about 1913.2498529988. The cubic root of 3660525 is about 154.1160226477.

The spelling of 3660525 in words is "three million, six hundred sixty thousand, five hundred twenty-five".