6540695 has 8 divisors (see below), whose sum is σ = 8970144. Its totient is φ = 4485024.

The previous prime is 6540691. The next prime is 6540719. The reversal of 6540695 is 5960456.

It is a happy number.

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 6540695 - 2² = 6540691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 186877 = 6540695 / (6 + 5 + 4 + 0 + 6 + 9 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540691) 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, 93404 + ... + 93473.

It is an arithmetic number, because the mean of its divisors is an integer number (1121268).

Almost surely, 2^6540695 is an apocalyptic number.

6540695 is a deficient number, since it is larger than the sum of its proper divisors (2429449).

6540695 is a wasteful number, since it uses less digits than its factorization.

6540695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186889.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6540695 is about 2557.4782501519. The cubic root of 6540695 is about 187.0142210390.

The spelling of 6540695 in words is "six million, five hundred forty thousand, six hundred ninety-five".