6540473 has 12 divisors (see below), whose sum is σ = 6999552. Its totient is φ = 6102360.

The previous prime is 6540467. The next prime is 6540493. The reversal of 6540473 is 3740456.

It is not a de Polignac number, because 6540473 - 2⁶ = 6540409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6540433) 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 11 ways as a sum of consecutive naturals, for example, 97586 + ... + 97652.

It is an arithmetic number, because the mean of its divisors is an integer number (583296).

Almost surely, 2^6540473 is an apocalyptic number.

It is an amenable number.

6540473 is a deficient number, since it is larger than the sum of its proper divisors (459079).

6540473 is an equidigital number, since it uses as much as digits as its factorization.

6540473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 6540473 is about 2557.4348476550. The cubic root of 6540473 is about 187.0121051769.

The spelling of 6540473 in words is "six million, five hundred forty thousand, four hundred seventy-three".