6542873 has 4 divisors (see below), whose sum is σ = 6571188. Its totient is φ = 6514560.

The previous prime is 6542867. The next prime is 6542927. The reversal of 6542873 is 3782456.

It is a happy number.

6542873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1471369 + 5071504 = 1213^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542873 - 2⁴ = 6542857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6542803) 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, 13808 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (1642797).

Almost surely, 2^6542873 is an apocalyptic number.

It is an amenable number.

6542873 is a deficient number, since it is larger than the sum of its proper divisors (28315).

6542873 is a wasteful number, since it uses less digits than its factorization.

6542873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28314.

The product of its digits is 40320, while the sum is 35.

The square root of 6542873 is about 2557.9040247828. The cubic root of 6542873 is about 187.0349768237.

The spelling of 6542873 in words is "six million, five hundred forty-two thousand, eight hundred seventy-three".