6505775 has 6 divisors (see below), whose sum is σ = 8067192. Its totient is φ = 5204600.

The previous prime is 6505717. The next prime is 6505783. The reversal of 6505775 is 5775056.

6505775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6505775 - 2⁸ = 6505519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130091 + ... + 130140.

It is an arithmetic number, because the mean of its divisors is an integer number (1344532).

Almost surely, 2^6505775 is an apocalyptic number.

6505775 is a deficient number, since it is larger than the sum of its proper divisors (1561417).

6505775 is a wasteful number, since it uses less digits than its factorization.

6505775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260241 (or 260236 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 6505775 is about 2550.6420760271. The cubic root of 6505775 is about 186.6808113573.

The spelling of 6505775 in words is "six million, five hundred five thousand, seven hundred seventy-five".