6509141 has 4 divisors (see below), whose sum is σ = 6516300. Its totient is φ = 6501984.

The previous prime is 6509123. The next prime is 6509143. The reversal of 6509141 is 1419056.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2220100 + 4289041 = 1490^2 + 2071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6509141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6509141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (1629075).

Almost surely, 2^6509141 is an apocalyptic number.

It is an amenable number.

6509141 is a deficient number, since it is larger than the sum of its proper divisors (7159).

6509141 is a wasteful number, since it uses less digits than its factorization.

6509141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6509141 is about 2551.3018245594. The cubic root of 6509141 is about 186.7130011821.

The spelling of 6509141 in words is "six million, five hundred nine thousand, one hundred forty-one".