6540912 has 150 divisors (see below), whose sum is σ = 22235928. Its totient is φ = 1850688.

The previous prime is 6540899. The next prime is 6540913. The reversal of 6540912 is 2190456.

6540912 is a `hidden beast` number, since 654 + 0 + 9 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540913) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 63453 + ... + 63555.

Almost surely, 2^6540912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6540912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11117964).

6540912 is an abundant number, since it is smaller than the sum of its proper divisors (15695016).

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

6540912 is a wasteful number, since it uses less digits than its factorization.

6540912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6540912 is about 2557.5206744032. The cubic root of 6540912 is about 187.0162892003.

The spelling of 6540912 in words is "six million, five hundred forty thousand, nine hundred twelve".