2255442457 has 2 divisors, whose sum is σ = 2255442458. Its totient is φ = 2255442456.

The previous prime is 2255442451. The next prime is 2255442461. The reversal of 2255442457 is 7542445522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027160576 + 228281881 = 45024^2 + 15109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255442457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2255442451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127721228 + 1127721229.

It is an arithmetic number, because the mean of its divisors is an integer number (1127721229).

Almost surely, 2^2255442457 is an apocalyptic number.

It is an amenable number.

2255442457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255442457 is an equidigital number, since it uses as much as digits as its factorization.

2255442457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448000, while the sum is 40.

The square root of 2255442457 is about 47491.4987866250. The cubic root of 2255442457 is about 1311.4263850632.

Adding to 2255442457 its reverse (7542445522), we get a palindrome (9797887979).

The spelling of 2255442457 in words is "two billion, two hundred fifty-five million, four hundred forty-two thousand, four hundred fifty-seven".