6564142 has 16 divisors (see below), whose sum is σ = 11228112. Its totient is φ = 2851200.

The previous prime is 6564137. The next prime is 6564143. The reversal of 6564142 is 2414656.

It is a self number, because there is not a number n which added to its sum of digits gives 6564142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6984 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (701757).

Almost surely, 2^6564142 is an apocalyptic number.

6564142 is a deficient number, since it is larger than the sum of its proper divisors (4663970).

6564142 is a wasteful number, since it uses less digits than its factorization.

6564142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14883.

The product of its digits is 5760, while the sum is 28.

The square root of 6564142 is about 2562.0581570292. The cubic root of 6564142 is about 187.2374232716.

Adding to 6564142 its reverse (2414656), we get a palindrome (8978798).

The spelling of 6564142 in words is "six million, five hundred sixty-four thousand, one hundred forty-two".