3648525 has 12 divisors (see below), whose sum is σ = 6032352. Its totient is φ = 1945840.

The previous prime is 3648521. The next prime is 3648527. The reversal of 3648525 is 5258463.

It is not a de Polignac number, because 3648525 - 2² = 3648521 is a prime.

It is a d-powerful number, because it can be written as 3³ + 6⁸ + 4 + 8² + 5⁶ + 2⁶ + 5⁹ .

It is a Curzon number.

3648525 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24249 + ... + 24398.

It is an arithmetic number, because the mean of its divisors is an integer number (502696).

Almost surely, 2^3648525 is an apocalyptic number.

It is an amenable number.

3648525 is a deficient number, since it is larger than the sum of its proper divisors (2383827).

3648525 is a wasteful number, since it uses less digits than its factorization.

3648525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48660 (or 48655 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 3648525 is about 1910.1112533044. Note that the first 3 decimals coincide. The cubic root of 3648525 is about 153.9474296304.

The spelling of 3648525 in words is "three million, six hundred forty-eight thousand, five hundred twenty-five".