6531142 has 8 divisors (see below), whose sum is σ = 10112832. Its totient is φ = 3160200.

The previous prime is 6531139. The next prime is 6531181. The reversal of 6531142 is 2411356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52609 + ... + 52732.

It is an arithmetic number, because the mean of its divisors is an integer number (1264104).

Almost surely, 2^6531142 is an apocalyptic number.

6531142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6531142 is a deficient number, since it is larger than the sum of its proper divisors (3581690).

6531142 is a wasteful number, since it uses less digits than its factorization.

6531142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105374.

The product of its digits is 720, while the sum is 22.

The square root of 6531142 is about 2555.6099076346. The cubic root of 6531142 is about 186.9231289181.

Adding to 6531142 its reverse (2411356), we get a palindrome (8942498).

The spelling of 6531142 in words is "six million, five hundred thirty-one thousand, one hundred forty-two".