6540616241 has 8 divisors (see below), whose sum is σ = 6581474304. Its totient is φ = 6499882800.

The previous prime is 6540616219. The next prime is 6540616249. The reversal of 6540616241 is 1426160456.

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 6540616241 - 2¹⁰ = 6540615217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6540616249) 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, 75266 + ... + 136916.

It is an arithmetic number, because the mean of its divisors is an integer number (822684288).

Almost surely, 2^6540616241 is an apocalyptic number.

It is an amenable number.

6540616241 is a deficient number, since it is larger than the sum of its proper divisors (40858063).

6540616241 is a wasteful number, since it uses less digits than its factorization.

6540616241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62311.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6540616241 is about 80874.0764460405. The cubic root of 6540616241 is about 1870.1347039953.

Adding to 6540616241 its reverse (1426160456), we get a palindrome (7966776697).

The spelling of 6540616241 in words is "six billion, five hundred forty million, six hundred sixteen thousand, two hundred forty-one".