2255717 has 2 divisors, whose sum is σ = 2255718. Its totient is φ = 2255716.

The previous prime is 2255681. The next prime is 2255723. The reversal of 2255717 is 7175522.

2255717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 312481 = 1394^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255717 - 2¹⁴ = 2239333 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2255717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255767) by changing a digit.

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 as a sum of consecutive naturals, namely, 1127858 + 1127859.

It is an arithmetic number, because the mean of its divisors is an integer number (1127859).

2^2255717 is an apocalyptic number.

It is an amenable number.

2255717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255717 is an equidigital number, since it uses as much as digits as its factorization.

2255717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4900, while the sum is 29.

The square root of 2255717 is about 1501.9044576803. The cubic root of 2255717 is about 131.1479593888.

The spelling of 2255717 in words is "two million, two hundred fifty-five thousand, seven hundred seventeen".