6546501 has 20 divisors (see below), whose sum is σ = 10533292. Its totient is φ = 4027968.

The previous prime is 6546473. The next prime is 6546509. The reversal of 6546501 is 1056456.

It is a happy number.

6546501 is a `hidden beast` number, since 6 + 5 + 4 + 650 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2802276 + 3744225 = 1674^2 + 1935^2 .

It is not a de Polignac number, because 6546501 - 2⁶ = 6546437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546509) 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 19 ways as a sum of consecutive naturals, for example, 2056 + ... + 4161.

Almost surely, 2^6546501 is an apocalyptic number.

It is an amenable number.

6546501 is a deficient number, since it is larger than the sum of its proper divisors (3986791).

6546501 is a wasteful number, since it uses less digits than its factorization.

6546501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 6546501 is about 2558.6131008810. The cubic root of 6546501 is about 187.0695405143.

The spelling of 6546501 in words is "six million, five hundred forty-six thousand, five hundred one".