6587897 has 4 divisors (see below), whose sum is σ = 6593700. Its totient is φ = 6582096.

The previous prime is 6587879. The next prime is 6587899. The reversal of 6587897 is 7987856.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1371241 + 5216656 = 1171^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 6587897 - 2¹⁰ = 6586873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6587899) 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, 578 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (1648425).

Almost surely, 2^6587897 is an apocalyptic number.

It is an amenable number.

6587897 is a deficient number, since it is larger than the sum of its proper divisors (5803).

6587897 is a wasteful number, since it uses less digits than its factorization.

6587897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802.

The product of its digits is 846720, while the sum is 50.

The square root of 6587897 is about 2566.6898916698. The cubic root of 6587897 is about 187.4630161129.

The spelling of 6587897 in words is "six million, five hundred eighty-seven thousand, eight hundred ninety-seven".