6540707 has 4 divisors (see below), whose sum is σ = 6545880. Its totient is φ = 6535536.

The previous prime is 6540691. The next prime is 6540719. The reversal of 6540707 is 7070456.

6540707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6540707 - 2⁴ = 6540691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6540707.

It is not an unprimeable number, because it can be changed into a prime (6540007) 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, 719 + ... + 3687.

It is an arithmetic number, because the mean of its divisors is an integer number (1636470).

Almost surely, 2^6540707 is an apocalyptic number.

6540707 is a deficient number, since it is larger than the sum of its proper divisors (5173).

6540707 is a wasteful number, since it uses less digits than its factorization.

6540707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 6540707 is about 2557.4805962118. The cubic root of 6540707 is about 187.0143354086.

The spelling of 6540707 in words is "six million, five hundred forty thousand, seven hundred seven".