6540541 has 8 divisors (see below), whose sum is σ = 7868480. Its totient is φ = 5311008.

The previous prime is 6540539. The next prime is 6540557. The reversal of 6540541 is 1450456.

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 6540541 - 2¹ = 6540539 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 (6540511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24456 + ... + 24721.

It is an arithmetic number, because the mean of its divisors is an integer number (983560).

Almost surely, 2^6540541 is an apocalyptic number.

It is an amenable number.

6540541 is a deficient number, since it is larger than the sum of its proper divisors (1327939).

6540541 is a wasteful number, since it uses less digits than its factorization.

6540541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49203.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 6540541 is about 2557.4481421917. The cubic root of 6540541 is about 187.0127532839.

Adding to 6540541 its reverse (1450456), we get a palindrome (7990997).

The spelling of 6540541 in words is "six million, five hundred forty thousand, five hundred forty-one".