6551142 has 32 divisors (see below), whose sum is σ = 14418432. Its totient is φ = 1971744.

The previous prime is 6551141. The next prime is 6551161. The reversal of 6551142 is 2411556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2773 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (450576).

Almost surely, 2^6551142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6551142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7209216).

6551142 is an abundant number, since it is smaller than the sum of its proper divisors (7867290).

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

6551142 is a wasteful number, since it uses less digits than its factorization.

6551142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its digits is 1200, while the sum is 24.

The square root of 6551142 is about 2559.5198768519. The cubic root of 6551142 is about 187.1137363708.

Adding to 6551142 its reverse (2411556), we get a palindrome (8962698).

The spelling of 6551142 in words is "six million, five hundred fifty-one thousand, one hundred forty-two".