2265045191 has 2 divisors, whose sum is σ = 2265045192. Its totient is φ = 2265045190.

The previous prime is 2265045173. The next prime is 2265045199. The reversal of 2265045191 is 1915405622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2265045191 - 2¹⁰ = 2265044167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265045199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132522595 + 1132522596.

It is an arithmetic number, because the mean of its divisors is an integer number (1132522596).

Almost surely, 2^2265045191 is an apocalyptic number.

2265045191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265045191 is an equidigital number, since it uses as much as digits as its factorization.

2265045191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2265045191 is about 47592.4909098063. The cubic root of 2265045191 is about 1313.2849189310.

The spelling of 2265045191 in words is "two billion, two hundred sixty-five million, forty-five thousand, one hundred ninety-one".