224513249 has 2 divisors, whose sum is σ = 224513250. Its totient is φ = 224513248.

The previous prime is 224513243. The next prime is 224513251. The reversal of 224513249 is 942315422.

224513249 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 can be written as a sum of positive squares in only one way, i.e., 175960225 + 48553024 = 13265^2 + 6968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224513249 is a prime.

It is a Sophie Germain prime.

Together with 224513251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (224513243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112256624 + 112256625.

It is an arithmetic number, because the mean of its divisors is an integer number (112256625).

Almost surely, 2^224513249 is an apocalyptic number.

It is an amenable number.

224513249 is a deficient number, since it is larger than the sum of its proper divisors (1).

224513249 is an equidigital number, since it uses as much as digits as its factorization.

224513249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 224513249 is about 14983.7661821052. The cubic root of 224513249 is about 607.7812876551.

The spelling of 224513249 in words is "two hundred twenty-four million, five hundred thirteen thousand, two hundred forty-nine".