2255435309 has 2 divisors, whose sum is σ = 2255435310. Its totient is φ = 2255435308.

The previous prime is 2255435279. The next prime is 2255435311. The reversal of 2255435309 is 9035345522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2251787209 + 3648100 = 47453^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255435309 - 2²⁰ = 2254386733 is a prime.

Together with 2255435311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255435359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127717654 + 1127717655.

It is an arithmetic number, because the mean of its divisors is an integer number (1127717655).

Almost surely, 2^2255435309 is an apocalyptic number.

It is an amenable number.

2255435309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255435309 is an equidigital number, since it uses as much as digits as its factorization.

2255435309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 2255435309 is about 47491.4235309914. The cubic root of 2255435309 is about 1311.4249996608.

The spelling of 2255435309 in words is "two billion, two hundred fifty-five million, four hundred thirty-five thousand, three hundred nine".