6505955 has 16 divisors (see below), whose sum is σ = 8061984. Its totient is φ = 5038080.

The previous prime is 6505949. The next prime is 6505973. The reversal of 6505955 is 5595056.

6505955 = 90² + 91² + ... + 272².

It is not a de Polignac number, because 6505955 - 2⁸ = 6505699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25187 + ... + 25443.

It is an arithmetic number, because the mean of its divisors is an integer number (503874).

Almost surely, 2^6505955 is an apocalyptic number.

6505955 is a deficient number, since it is larger than the sum of its proper divisors (1556029).

6505955 is a wasteful number, since it uses less digits than its factorization.

6505955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 6505955 is about 2550.6773610161. The cubic root of 6505955 is about 186.6825330193.

The spelling of 6505955 in words is "six million, five hundred five thousand, nine hundred fifty-five".