2255320257 has 4 divisors (see below), whose sum is σ = 3007093680. Its totient is φ = 1503546836.

The previous prime is 2255320241. The next prime is 2255320261. The reversal of 2255320257 is 7520235522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2255320257 - 2⁴ = 2255320241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2255320057) 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, 375886707 + ... + 375886712.

It is an arithmetic number, because the mean of its divisors is an integer number (751773420).

Almost surely, 2^2255320257 is an apocalyptic number.

It is an amenable number.

2255320257 is a deficient number, since it is larger than the sum of its proper divisors (751773423).

2255320257 is an equidigital number, since it uses as much as digits as its factorization.

2255320257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751773422.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 2255320257 is about 47490.2122231518. The cubic root of 2255320257 is about 1311.4027002502.

Adding to 2255320257 its reverse (7520235522), we get a palindrome (9775555779).

The spelling of 2255320257 in words is "two billion, two hundred fifty-five million, three hundred twenty thousand, two hundred fifty-seven".