2243251 has 2 divisors, whose sum is σ = 2243252. Its totient is φ = 2243250.

The previous prime is 2243221. The next prime is 2243257. The reversal of 2243251 is 1523422.

2243251 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 not a de Polignac number, because 2243251 - 2⁷ = 2243123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121625 + 1121626.

It is an arithmetic number, because the mean of its divisors is an integer number (1121626).

2^2243251 is an apocalyptic number.

2243251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243251 is an equidigital number, since it uses as much as digits as its factorization.

2243251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 2243251 is about 1497.7486437984. The cubic root of 2243251 is about 130.9059208367.

Adding to 2243251 its reverse (1523422), we get a palindrome (3766673).

It can be divided in two parts, 2 and 243251, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 2243251 in words is "two million, two hundred forty-three thousand, two hundred fifty-one".