6485911 has 4 divisors (see below), whose sum is σ = 6492472. Its totient is φ = 6479352.

The previous prime is 6485881. The next prime is 6485923. The reversal of 6485911 is 1195846.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1195846 = 2 ⋅597923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6485911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485951) 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, 1461 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (1623118).

Almost surely, 2^6485911 is an apocalyptic number.

6485911 is a deficient number, since it is larger than the sum of its proper divisors (6561).

6485911 is a wasteful number, since it uses less digits than its factorization.

6485911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560.

The product of its digits is 8640, while the sum is 34.

The square root of 6485911 is about 2546.7451776729. The cubic root of 6485911 is about 186.4906209420.

It can be divided in two parts, 6485 and 911, that added together give a square (7396 = 86²).

The spelling of 6485911 in words is "six million, four hundred eighty-five thousand, nine hundred eleven".