6485641 has 4 divisors (see below), whose sum is σ = 6497172. Its totient is φ = 6474112.

The previous prime is 6485629. The next prime is 6485657. The reversal of 6485641 is 1465846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1465846 = 2 ⋅732923.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 1177225 = 2304^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 6485641 - 2¹¹ = 6483593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6485597 and 6485606.

It is not an unprimeable number, because it can be changed into a prime (6485681) 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, 4876 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1624293).

Almost surely, 2^6485641 is an apocalyptic number.

It is an amenable number.

6485641 is a deficient number, since it is larger than the sum of its proper divisors (11531).

6485641 is a wasteful number, since it uses less digits than its factorization.

6485641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530.

The product of its digits is 23040, while the sum is 34.

The square root of 6485641 is about 2546.6921682842. The cubic root of 6485641 is about 186.4880331192.

The spelling of 6485641 in words is "six million, four hundred eighty-five thousand, six hundred forty-one".