2273545291 has 2 divisors, whose sum is σ = 2273545292. Its totient is φ = 2273545290.

The previous prime is 2273545273. The next prime is 2273545343. The reversal of 2273545291 is 1925453722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2273545291 - 2⁵ = 2273545259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2273545231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136772645 + 1136772646.

It is an arithmetic number, because the mean of its divisors is an integer number (1136772646).

Almost surely, 2^2273545291 is an apocalyptic number.

2273545291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273545291 is an equidigital number, since it uses as much as digits as its factorization.

2273545291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 2273545291 is about 47681.7081384466. The cubic root of 2273545291 is about 1314.9256688601.

The spelling of 2273545291 in words is "two billion, two hundred seventy-three million, five hundred forty-five thousand, two hundred ninety-one".