6555265 has 4 divisors (see below), whose sum is σ = 7866324. Its totient is φ = 5244208.

The previous prime is 6555239. The next prime is 6555271. The reversal of 6555265 is 5625556.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4844401 + 1710864 = 2201^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555265 - 2⁵ = 6555233 is a prime.

It is an Ulam number.

It is a Duffinian number.

6555265 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6555265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655522 + ... + 655531.

It is an arithmetic number, because the mean of its divisors is an integer number (1966581).

Almost surely, 2^6555265 is an apocalyptic number.

It is an amenable number.

6555265 is a deficient number, since it is larger than the sum of its proper divisors (1311059).

6555265 is a wasteful number, since it uses less digits than its factorization.

6555265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311058.

The product of its digits is 45000, while the sum is 34.

The square root of 6555265 is about 2560.3251746604. The cubic root of 6555265 is about 187.1529818514.

The spelling of 6555265 in words is "six million, five hundred fifty-five thousand, two hundred sixty-five".