2255260661 has 8 divisors (see below), whose sum is σ = 2334703800. Its totient is φ = 2175929280.

The previous prime is 2255260627. The next prime is 2255260723. The reversal of 2255260661 is 1660625522.

It can be written as a sum of positive squares in 4 ways, for example, as 292239025 + 1963021636 = 17095^2 + 44306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255260661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255260061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14231 + ... + 68651.

It is an arithmetic number, because the mean of its divisors is an integer number (291837975).

Almost surely, 2^2255260661 is an apocalyptic number.

It is an amenable number.

2255260661 is a deficient number, since it is larger than the sum of its proper divisors (79443139).

2255260661 is a wasteful number, since it uses less digits than its factorization.

2255260661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55879.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2255260661 is about 47489.5847633984. The cubic root of 2255260661 is about 1311.3911490387.

The spelling of 2255260661 in words is "two billion, two hundred fifty-five million, two hundred sixty thousand, six hundred sixty-one".