2255395091 has 2 divisors, whose sum is σ = 2255395092. Its totient is φ = 2255395090.

The previous prime is 2255395039. The next prime is 2255395097. The reversal of 2255395091 is 1905935522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2255395091 - 2⁶ = 2255395027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2255395097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127697545 + 1127697546.

It is an arithmetic number, because the mean of its divisors is an integer number (1127697546).

Almost surely, 2^2255395091 is an apocalyptic number.

2255395091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255395091 is an equidigital number, since it uses as much as digits as its factorization.

2255395091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 2255395091 is about 47491.0001052831. Note that the first 3 decimals coincide. The cubic root of 2255395091 is about 1311.4172046831.

The spelling of 2255395091 in words is "two billion, two hundred fifty-five million, three hundred ninety-five thousand, ninety-one".