2255794517 has 4 divisors (see below), whose sum is σ = 2255900076. Its totient is φ = 2255688960.

The previous prime is 2255794441. The next prime is 2255794547. The reversal of 2255794517 is 7154975522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 995970481 + 1259824036 = 31559^2 + 35494^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255794517 - 2¹² = 2255790421 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 (2255794547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8138 + ... + 67659.

It is an arithmetic number, because the mean of its divisors is an integer number (563975019).

Almost surely, 2^2255794517 is an apocalyptic number.

It is an amenable number.

2255794517 is a deficient number, since it is larger than the sum of its proper divisors (105559).

2255794517 is an equidigital number, since it uses as much as digits as its factorization.

2255794517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105558.

The product of its digits is 882000, while the sum is 47.

The square root of 2255794517 is about 47495.2052001041. The cubic root of 2255794517 is about 1311.4946165759.

The spelling of 2255794517 in words is "two billion, two hundred fifty-five million, seven hundred ninety-four thousand, five hundred seventeen".