6565955 has 16 divisors (see below), whose sum is σ = 8875008. Its totient is φ = 4620000.

The previous prime is 6565921. The next prime is 6565957. The reversal of 6565955 is 5595656.

It is not a de Polignac number, because 6565955 - 2²² = 2371651 is a prime.

It is a super-2 number, since 2×6565955² = 86223530124050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6565957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (554688).

Almost surely, 2^6565955 is an apocalyptic number.

6565955 is a deficient number, since it is larger than the sum of its proper divisors (2309053).

6565955 is a wasteful number, since it uses less digits than its factorization.

6565955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898.

The product of its digits is 202500, while the sum is 41.

The square root of 6565955 is about 2562.4119497068. The cubic root of 6565955 is about 187.2546598579.

Subtracting from 6565955 its reverse (5595656), we obtain a cube (970299 = 99³).

The spelling of 6565955 in words is "six million, five hundred sixty-five thousand, nine hundred fifty-five".