255265091 has 2 divisors, whose sum is σ = 255265092. Its totient is φ = 255265090.

The previous prime is 255265069. The next prime is 255265097. The reversal of 255265091 is 190562552.

255265091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255265091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (255265097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127632545 + 127632546.

It is an arithmetic number, because the mean of its divisors is an integer number (127632546).

Almost surely, 2^255265091 is an apocalyptic number.

255265091 is a deficient number, since it is larger than the sum of its proper divisors (1).

255265091 is an equidigital number, since it uses as much as digits as its factorization.

255265091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 255265091 is about 15977.0175877728. The cubic root of 255265091 is about 634.3522367074.

The spelling of 255265091 in words is "two hundred fifty-five million, two hundred sixty-five thousand, ninety-one".