6512144 has 20 divisors (see below), whose sum is σ = 12663996. Its totient is φ = 3244032.

The previous prime is 6512137. The next prime is 6512147. The reversal of 6512144 is 4412156.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 2560000 = 1988^2 + 1600^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072 + ... + 6224.

Almost surely, 2^6512144 is an apocalyptic number.

It is an amenable number.

6512144 is a deficient number, since it is larger than the sum of its proper divisors (6151852).

6512144 is a wasteful number, since it uses less digits than its factorization.

6512144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1508 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 6512144 is about 2551.8902797730. The cubic root of 6512144 is about 186.7417101899.

The spelling of 6512144 in words is "six million, five hundred twelve thousand, one hundred forty-four".