6541141531 has 4 divisors (see below), whose sum is σ = 6542856352. Its totient is φ = 6539426712.

The previous prime is 6541141513. The next prime is 6541141543. The reversal of 6541141531 is 1351411456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6541141531 - 2²³ = 6532752923 is a prime.

It is a super-2 number, since 2×6541141531² = 85573065057146047922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6541141493 and 6541141502.

It is not an unprimeable number, because it can be changed into a prime (6541141231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851676 + ... + 859321.

It is an arithmetic number, because the mean of its divisors is an integer number (1635714088).

Almost surely, 2^6541141531 is an apocalyptic number.

6541141531 is a deficient number, since it is larger than the sum of its proper divisors (1714821).

6541141531 is a wasteful number, since it uses less digits than its factorization.

6541141531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714820.

The product of its digits is 7200, while the sum is 31.

The square root of 6541141531 is about 80877.3239604279. The cubic root of 6541141531 is about 1870.1847674106.

Adding to 6541141531 its reverse (1351411456), we get a palindrome (7892552987).

The spelling of 6541141531 in words is "six billion, five hundred forty-one million, one hundred forty-one thousand, five hundred thirty-one".