6604501 has 4 divisors (see below), whose sum is σ = 6609772. Its totient is φ = 6599232.

The previous prime is 6604471. The next prime is 6604561. The reversal of 6604501 is 1054066.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4835601 + 1768900 = 2199^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 6604501 - 2⁵ = 6604469 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 (6604561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (1652443).

Almost surely, 2^6604501 is an apocalyptic number.

It is an amenable number.

6604501 is a deficient number, since it is larger than the sum of its proper divisors (5271).

6604501 is a wasteful number, since it uses less digits than its factorization.

6604501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6604501 is about 2569.9223723685. The cubic root of 6604501 is about 187.6203766265.

Adding to 6604501 its reverse (1054066), we get a palindrome (7658567).

The spelling of 6604501 in words is "six million, six hundred four thousand, five hundred one".