6505066 has 4 divisors (see below), whose sum is σ = 9757602. Its totient is φ = 3252532.

The previous prime is 6505063. The next prime is 6505069. The reversal of 6505066 is 6605056.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6505063) and next prime (6505069).

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 2989441 = 1875^2 + 1729^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6505063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626265 + ... + 1626268.

Almost surely, 2^6505066 is an apocalyptic number.

6505066 is a deficient number, since it is larger than the sum of its proper divisors (3252536).

6505066 is a wasteful number, since it uses less digits than its factorization.

6505066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252535.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 6505066 is about 2550.5030876280. The cubic root of 6505066 is about 186.6740296132.

The spelling of 6505066 in words is "six million, five hundred five thousand, sixty-six".