6540276 has 12 divisors (see below), whose sum is σ = 15260672. Its totient is φ = 2180088.

The previous prime is 6540269. The next prime is 6540277. The reversal of 6540276 is 6720456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272500 + ... + 272523.

Almost surely, 2^6540276 is an apocalyptic number.

It is an amenable number.

6540276 is an abundant number, since it is smaller than the sum of its proper divisors (8720396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6540276 is a wasteful number, since it uses less digits than its factorization.

6540276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545030 (or 545028 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 6540276 is about 2557.3963322098. The cubic root of 6540276 is about 187.0102275474.

The spelling of 6540276 in words is "six million, five hundred forty thousand, two hundred seventy-six".