6416525 has 6 divisors (see below), whose sum is σ = 7956522. Its totient is φ = 5133200.

The previous prime is 6416521. The next prime is 6416533. The reversal of 6416525 is 5256146.

6416525 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 3 ways, for example, as 2010724 + 4405801 = 1418^2 + 2099^2 .

It is not a de Polignac number, because 6416525 - 2² = 6416521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128306 + ... + 128355.

It is an arithmetic number, because the mean of its divisors is an integer number (1326087).

Almost surely, 2^6416525 is an apocalyptic number.

It is an amenable number.

6416525 is a deficient number, since it is larger than the sum of its proper divisors (1539997).

6416525 is a wasteful number, since it uses less digits than its factorization.

6416525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256671 (or 256666 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 6416525 is about 2533.0860624937. The cubic root of 6416525 is about 185.8232123740.

The spelling of 6416525 in words is "six million, four hundred sixteen thousand, five hundred twenty-five".