6542537541 has 8 divisors (see below), whose sum is σ = 8723800704. Its totient is φ = 4361483040.

The previous prime is 6542537503. The next prime is 6542537581. The reversal of 6542537541 is 1457352456.

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

It is not a de Polignac number, because 6542537541 - 2¹³ = 6542529349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6542537493 and 6542537502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542537581) 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, 49060 + ... + 124466.

It is an arithmetic number, because the mean of its divisors is an integer number (1090475088).

Almost surely, 2^6542537541 is an apocalyptic number.

It is an amenable number.

6542537541 is a deficient number, since it is larger than the sum of its proper divisors (2181263163).

6542537541 is a wasteful number, since it uses less digits than its factorization.

6542537541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104331.

The product of its digits is 504000, while the sum is 42.

The square root of 6542537541 is about 80885.9539166103. The cubic root of 6542537541 is about 1870.3178028507.

Adding to 6542537541 its reverse (1457352456), we get a palindrome (7999889997).

The spelling of 6542537541 in words is "six billion, five hundred forty-two million, five hundred thirty-seven thousand, five hundred forty-one".