6534889 has 4 divisors (see below), whose sum is σ = 6760260. Its totient is φ = 6309520.

The previous prime is 6534883. The next prime is 6534901. The reversal of 6534889 is 9884356.

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 1166400 + 5368489 = 1080^2 + 2317^2 .

It is a cyclic number.

It is not a de Polignac number, because 6534889 - 2¹³ = 6526697 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534883) 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, 112642 + ... + 112699.

It is an arithmetic number, because the mean of its divisors is an integer number (1690065).

Almost surely, 2^6534889 is an apocalyptic number.

It is an amenable number.

6534889 is a deficient number, since it is larger than the sum of its proper divisors (225371).

6534889 is a wasteful number, since it uses less digits than its factorization.

6534889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225370.

The product of its digits is 207360, while the sum is 43.

The square root of 6534889 is about 2556.3428956226. The cubic root of 6534889 is about 186.9588688170.

The spelling of 6534889 in words is "six million, five hundred thirty-four thousand, eight hundred eighty-nine".