6525648 has 30 divisors (see below), whose sum is σ = 18263154. Its totient is φ = 2175168.

The previous prime is 6525647. The next prime is 6525661. The reversal of 6525648 is 8465256.

6525648 is a `hidden beast` number, since 6 + 5 + 2 + 5 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5253264 + 1272384 = 2292^2 + 1128^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22515 + ... + 22802.

Almost surely, 2^6525648 is an apocalyptic number.

It is an amenable number.

6525648 is an abundant number, since it is smaller than the sum of its proper divisors (11737506).

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

6525648 is a wasteful number, since it uses less digits than its factorization.

6525648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45331 (or 45322 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6525648 is about 2554.5347913074. The cubic root of 6525648 is about 186.8707009373.

The spelling of 6525648 in words is "six million, five hundred twenty-five thousand, six hundred forty-eight".