6493539 has 32 divisors (see below), whose sum is σ = 9934848. Its totient is φ = 3744000.

The previous prime is 6493523. The next prime is 6493547. The reversal of 6493539 is 9353946.

It is not a de Polignac number, because 6493539 - 2⁴ = 6493523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 6493497 and 6493506.

It is not an unprimeable number, because it can be changed into a prime (6493549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49504 + ... + 49634.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

Almost surely, 2^6493539 is an apocalyptic number.

6493539 is a deficient number, since it is larger than the sum of its proper divisors (3441309).

6493539 is a wasteful number, since it uses less digits than its factorization.

6493539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its digits is 87480, while the sum is 39.

The square root of 6493539 is about 2548.2423354147. The cubic root of 6493539 is about 186.5637020733.

The spelling of 6493539 in words is "six million, four hundred ninety-three thousand, five hundred thirty-nine".