6540107 has 4 divisors (see below), whose sum is σ = 7474416. Its totient is φ = 5605800.

The previous prime is 6540103. The next prime is 6540133. The reversal of 6540107 is 7010456.

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 6540107 - 2² = 6540103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6540103) 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 3 ways as a sum of consecutive naturals, for example, 467144 + ... + 467157.

It is an arithmetic number, because the mean of its divisors is an integer number (1868604).

Almost surely, 2^6540107 is an apocalyptic number.

6540107 is a deficient number, since it is larger than the sum of its proper divisors (934309).

6540107 is an equidigital number, since it uses as much as digits as its factorization.

6540107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934308.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 6540107 is about 2557.3632905788. The cubic root of 6540107 is about 187.0086167591.

The spelling of 6540107 in words is "six million, five hundred forty thousand, one hundred seven".