6525396 has 36 divisors (see below), whose sum is σ = 16900884. Its totient is φ = 2121600.

The previous prime is 6525373. The next prime is 6525427. The reversal of 6525396 is 6935256.

It can be written as a sum of positive squares in 2 ways, for example, as 2604996 + 3920400 = 1614^2 + 1980^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 6525396.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 735 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (469469).

Almost surely, 2^6525396 is an apocalyptic number.

It is an amenable number.

6525396 is an abundant number, since it is smaller than the sum of its proper divisors (10375488).

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

6525396 is a wasteful number, since it uses less digits than its factorization.

6525396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4467 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 6525396 is about 2554.4854667819. The cubic root of 6525396 is about 186.8682954534.

The spelling of 6525396 in words is "six million, five hundred twenty-five thousand, three hundred ninety-six".