6365489 has 4 divisors (see below), whose sum is σ = 6855156. Its totient is φ = 5875824.

The previous prime is 6365483. The next prime is 6365507. The reversal of 6365489 is 9845636.

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 3869089 + 2496400 = 1967^2 + 1580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6365489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6365483) 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, 244814 + ... + 244839.

It is an arithmetic number, because the mean of its divisors is an integer number (1713789).

Almost surely, 2^6365489 is an apocalyptic number.

It is an amenable number.

6365489 is a deficient number, since it is larger than the sum of its proper divisors (489667).

6365489 is a wasteful number, since it uses less digits than its factorization.

6365489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489666.

The product of its digits is 155520, while the sum is 41.

The square root of 6365489 is about 2522.9920729166. The cubic root of 6365489 is about 185.3292311285.

The spelling of 6365489 in words is "six million, three hundred sixty-five thousand, four hundred eighty-nine".