6540266 has 8 divisors (see below), whose sum is σ = 9832320. Its totient is φ = 3262828.

The previous prime is 6540251. The next prime is 6540269. The reversal of 6540266 is 6620456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6540269) 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, 2456 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (1229040).

Almost surely, 2^6540266 is an apocalyptic number.

6540266 is a deficient number, since it is larger than the sum of its proper divisors (3292054).

6540266 is a wasteful number, since it uses less digits than its factorization.

6540266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6540266 is about 2557.3943770956. The cubic root of 6540266 is about 187.0101322353.

The spelling of 6540266 in words is "six million, five hundred forty thousand, two hundred sixty-six".