6565842 has 48 divisors (see below), whose sum is σ = 15444000. Its totient is φ = 2007936.

The previous prime is 6565829. The next prime is 6565847. The reversal of 6565842 is 2485656.

6565842 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6565842² = 86220562337928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6565797 and 6565806.

It is not an unprimeable number, because it can be changed into a prime (6565847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12909 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (321750).

Almost surely, 2^6565842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6565842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7722000).

6565842 is an abundant number, since it is smaller than the sum of its proper divisors (8878158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6565842 is a wasteful number, since it uses less digits than its factorization.

6565842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 564 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6565842 is about 2562.3899000738. The cubic root of 6565842 is about 187.2535856350.

The spelling of 6565842 in words is "six million, five hundred sixty-five thousand, eight hundred forty-two".