2655257191 has 2 divisors, whose sum is σ = 2655257192. Its totient is φ = 2655257190.

The previous prime is 2655257173. The next prime is 2655257237. The reversal of 2655257191 is 1917525562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2655257191 - 2¹⁷ = 2655126119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2655257141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327628595 + 1327628596.

It is an arithmetic number, because the mean of its divisors is an integer number (1327628596).

Almost surely, 2^2655257191 is an apocalyptic number.

2655257191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655257191 is an equidigital number, since it uses as much as digits as its factorization.

2655257191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 43.

The square root of 2655257191 is about 51529.1877580076. The cubic root of 2655257191 is about 1384.7419992340.

The spelling of 2655257191 in words is "two billion, six hundred fifty-five million, two hundred fifty-seven thousand, one hundred ninety-one".