6540227 has 4 divisors (see below), whose sum is σ = 6545616. Its totient is φ = 6534840.

The previous prime is 6540217. The next prime is 6540239. The reversal of 6540227 is 7220456.

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 6540227 - 2¹⁴ = 6523843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6540196 and 6540205.

It is not an unprimeable number, because it can be changed into a prime (6540217) 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, 77 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (1636404).

Almost surely, 2^6540227 is an apocalyptic number.

6540227 is a deficient number, since it is larger than the sum of its proper divisors (5389).

6540227 is a wasteful number, since it uses less digits than its factorization.

6540227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 6540227 is about 2557.3867521359. The cubic root of 6540227 is about 187.0097605170.

The spelling of 6540227 in words is "six million, five hundred forty thousand, two hundred twenty-seven".