2255204317 has 2 divisors, whose sum is σ = 2255204318. Its totient is φ = 2255204316.

The previous prime is 2255204293. The next prime is 2255204327. The reversal of 2255204317 is 7134025522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1973669476 + 281534841 = 44426^2 + 16779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255204317 is a prime.

It is a super-2 number, since 2×2255204317² = 10171893022830872978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255204327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127602158 + 1127602159.

It is an arithmetic number, because the mean of its divisors is an integer number (1127602159).

Almost surely, 2^2255204317 is an apocalyptic number.

It is an amenable number.

2255204317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255204317 is an equidigital number, since it uses as much as digits as its factorization.

2255204317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2255204317 is about 47488.9915348810. The cubic root of 2255204317 is about 1311.3802279599.

Adding to 2255204317 its reverse (7134025522), we get a palindrome (9389229839).

The spelling of 2255204317 in words is "two billion, two hundred fifty-five million, two hundred four thousand, three hundred seventeen".