2273289251 has 2 divisors, whose sum is σ = 2273289252. Its totient is φ = 2273289250.

The previous prime is 2273289173. The next prime is 2273289253. The reversal of 2273289251 is 1529823722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2273289251 is a prime.

Together with 2273289253, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2273289199 and 2273289208.

It is not a weakly prime, because it can be changed into another prime (2273289253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136644625 + 1136644626.

It is an arithmetic number, because the mean of its divisors is an integer number (1136644626).

Almost surely, 2^2273289251 is an apocalyptic number.

2273289251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273289251 is an equidigital number, since it uses as much as digits as its factorization.

2273289251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 2273289251 is about 47679.0231758160. The cubic root of 2273289251 is about 1314.8763059834.

The spelling of 2273289251 in words is "two billion, two hundred seventy-three million, two hundred eighty-nine thousand, two hundred fifty-one".