6540753 has 4 divisors (see below), whose sum is σ = 8721008. Its totient is φ = 4360500.

The previous prime is 6540739. The next prime is 6540827. The reversal of 6540753 is 3570456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6540753 - 2⁹ = 6540241 is a prime.

It is a super-3 number, since 3×6540753³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

6540753 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6540753.

It is not an unprimeable number, because it can be changed into a prime (6540953) 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, 1090123 + ... + 1090128.

It is an arithmetic number, because the mean of its divisors is an integer number (2180252).

Almost surely, 2^6540753 is an apocalyptic number.

It is an amenable number.

6540753 is a deficient number, since it is larger than the sum of its proper divisors (2180255).

6540753 is a wasteful number, since it uses less digits than its factorization.

6540753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180254.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 6540753 is about 2557.4895894216. The cubic root of 6540753 is about 187.0147738240.

The spelling of 6540753 in words is "six million, five hundred forty thousand, seven hundred fifty-three".