6473539 has 4 divisors (see below), whose sum is σ = 6583320. Its totient is φ = 6363760.

The previous prime is 6473491. The next prime is 6473543. The reversal of 6473539 is 9353746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6473539 - 2¹⁵ = 6440771 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 4⁶ + 7² + 3⁵ + 5 + 3¹⁴ + 9⁴ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6473498 and 6473507.

It is not an unprimeable number, because it can be changed into a prime (6473569) 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 3 ways as a sum of consecutive naturals, for example, 54802 + ... + 54919.

It is an arithmetic number, because the mean of its divisors is an integer number (1645830).

Almost surely, 2^6473539 is an apocalyptic number.

6473539 is a deficient number, since it is larger than the sum of its proper divisors (109781).

6473539 is a wasteful number, since it uses less digits than its factorization.

6473539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109780.

The product of its digits is 68040, while the sum is 37.

The square root of 6473539 is about 2544.3150355253. The cubic root of 6473539 is about 186.3719673164.

It can be divided in two parts, 647 and 3539, that added together give a triangular number (4186 = T₉₁).

The spelling of 6473539 in words is "six million, four hundred seventy-three thousand, five hundred thirty-nine".