6542541 has 12 divisors (see below), whose sum is σ = 9652032. Its totient is φ = 4268616.

The previous prime is 6542537. The next prime is 6542551. The reversal of 6542541 is 1452456.

6542541 is a `hidden beast` number, since 654 + 2 + 5 + 4 + 1 = 666.

It is not a de Polignac number, because 6542541 - 2² = 6542537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542531) 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 11 ways as a sum of consecutive naturals, for example, 7311 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (804336).

Almost surely, 2^6542541 is an apocalyptic number.

It is an amenable number.

6542541 is a deficient number, since it is larger than the sum of its proper divisors (3109491).

6542541 is a wasteful number, since it uses less digits than its factorization.

6542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15520 (or 15517 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 6542541 is about 2557.8391270758. The cubic root of 6542541 is about 187.0318132459.

Adding to 6542541 its reverse (1452456), we get a palindrome (7994997).

The spelling of 6542541 in words is "six million, five hundred forty-two thousand, five hundred forty-one".