2655965 has 16 divisors (see below), whose sum is σ = 3553200. Its totient is φ = 1892352.

The previous prime is 2655949. The next prime is 2655973. The reversal of 2655965 is 5695562.

2655965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 822649 + 1833316 = 907^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655965 - 2⁴ = 2655949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (222075).

2^2655965 is an apocalyptic number.

It is an amenable number.

2655965 is a deficient number, since it is larger than the sum of its proper divisors (897235).

2655965 is a wasteful number, since it uses less digits than its factorization.

2655965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its digits is 81000, while the sum is 38.

The square root of 2655965 is about 1629.7131649465. The cubic root of 2655965 is about 138.4865031355.

The spelling of 2655965 in words is "two million, six hundred fifty-five thousand, nine hundred sixty-five".