2249243 has 2 divisors, whose sum is σ = 2249244. Its totient is φ = 2249242.

The previous prime is 2249231. The next prime is 2249251. The reversal of 2249243 is 3429422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2249243 - 2⁴ = 2249227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2249213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124621 + 1124622.

It is an arithmetic number, because the mean of its divisors is an integer number (1124622).

2^2249243 is an apocalyptic number.

2249243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249243 is an equidigital number, since it uses as much as digits as its factorization.

2249243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 2249243 is about 1499.7476454391. The cubic root of 2249243 is about 131.0223724973.

The spelling of 2249243 in words is "two million, two hundred forty-nine thousand, two hundred forty-three".