6609541 has 8 divisors (see below), whose sum is σ = 6893568. Its totient is φ = 6330000.

The previous prime is 6609523. The next prime is 6609553. The reversal of 6609541 is 1459066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6609541 - 2¹¹ = 6607493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609571) 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 7 ways as a sum of consecutive naturals, for example, 2076 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (861696).

Almost surely, 2^6609541 is an apocalyptic number.

It is an amenable number.

6609541 is a deficient number, since it is larger than the sum of its proper divisors (284027).

6609541 is a wasteful number, since it uses less digits than its factorization.

6609541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6609541 is about 2570.9027597325. The cubic root of 6609541 is about 187.6680898585.

It can be divided in two parts, 660 and 9541, that added together give a palindrome (10201).

The spelling of 6609541 in words is "six million, six hundred nine thousand, five hundred forty-one".