6540835 has 16 divisors (see below), whose sum is σ = 9498816. Its totient is φ = 4220928.

The previous prime is 6540829. The next prime is 6540841. The reversal of 6540835 is 5380456.

It is an interprime number because it is at equal distance from previous prime (6540829) and next prime (6540841).

It is a cyclic number.

It is not a de Polignac number, because 6540835 - 2³ = 6540827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6540797 and 6540806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4902 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (593676).

Almost surely, 2^6540835 is an apocalyptic number.

6540835 is a deficient number, since it is larger than the sum of its proper divisors (2957981).

6540835 is a wasteful number, since it uses less digits than its factorization.

6540835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11022.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6540835 is about 2557.5056207172. The cubic root of 6540835 is about 187.0155553419.

The spelling of 6540835 in words is "six million, five hundred forty thousand, eight hundred thirty-five".