6541028 has 12 divisors (see below), whose sum is σ = 12327420. Its totient is φ = 3018912.

The previous prime is 6541021. The next prime is 6541033. The reversal of 6541028 is 8201456.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 4631104 = 1382^2 + 2152^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 6540988 and 6541006.

It is not an unprimeable number, because it can be changed into a prime (6541021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62843 + ... + 62946.

It is an arithmetic number, because the mean of its divisors is an integer number (1027285).

Almost surely, 2^6541028 is an apocalyptic number.

It is an amenable number.

6541028 is a deficient number, since it is larger than the sum of its proper divisors (5786392).

6541028 is a wasteful number, since it uses less digits than its factorization.

6541028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125806 (or 125804 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 6541028 is about 2557.5433525162. The cubic root of 6541028 is about 187.0173947425.

The spelling of 6541028 in words is "six million, five hundred forty-one thousand, twenty-eight".