6559442 has 6 divisors (see below), whose sum is σ = 9844599. Its totient is φ = 3277910.

The previous prime is 6559409. The next prime is 6559447. The reversal of 6559442 is 2449556.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 3279721 = 1811^2 + 1811^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1811.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6559447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2717 + ... + 4527.

Almost surely, 2^6559442 is an apocalyptic number.

6559442 is a deficient number, since it is larger than the sum of its proper divisors (3285157).

6559442 is an frugal number, since it uses more digits than its factorization.

6559442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624 (or 1813 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 6559442 is about 2561.1407614577. The cubic root of 6559442 is about 187.1927245632.

The spelling of 6559442 in words is "six million, five hundred fifty-nine thousand, four hundred forty-two".