6525945 has 12 divisors (see below), whose sum is σ = 11311716. Its totient is φ = 3480480.

The previous prime is 6525923. The next prime is 6525947. The reversal of 6525945 is 5495256.

6525945 is a `hidden beast` number, since 65 + 2 + 594 + 5 = 666.

6525945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 4968441 = 1248^2 + 2229^2 .

It is not a de Polignac number, because 6525945 - 2⁷ = 6525817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6525947) 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, 72466 + ... + 72555.

It is an arithmetic number, because the mean of its divisors is an integer number (942643).

Almost surely, 2^6525945 is an apocalyptic number.

It is an amenable number.

6525945 is a deficient number, since it is larger than the sum of its proper divisors (4785771).

6525945 is a wasteful number, since it uses less digits than its factorization.

6525945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145032 (or 145029 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 6525945 is about 2554.5929225612. The cubic root of 6525945 is about 186.8735358923.

The spelling of 6525945 in words is "six million, five hundred twenty-five thousand, nine hundred forty-five".