6541279 has 8 divisors (see below), whose sum is σ = 6840320. Its totient is φ = 6247800.

The previous prime is 6541261. The next prime is 6541291. The reversal of 6541279 is 9721456.

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 6541279 - 2⁵ = 6541247 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541229) 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 7 ways as a sum of consecutive naturals, for example, 1114 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (855040).

Almost surely, 2^6541279 is an apocalyptic number.

6541279 is a deficient number, since it is larger than the sum of its proper divisors (299041).

6541279 is a wasteful number, since it uses less digits than its factorization.

6541279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781.

The product of its digits is 15120, while the sum is 34.

The square root of 6541279 is about 2557.5924225724. The cubic root of 6541279 is about 187.0197868622.

The spelling of 6541279 in words is "six million, five hundred forty-one thousand, two hundred seventy-nine".