2287249 has 2 divisors, whose sum is σ = 2287250. Its totient is φ = 2287248.

The previous prime is 2287247. The next prime is 2287261. The reversal of 2287249 is 9427822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2250000 + 37249 = 1500^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287249 - 2¹ = 2287247 is a prime.

Together with 2287247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2287247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143624 + 1143625.

It is an arithmetic number, because the mean of its divisors is an integer number (1143625).

2^2287249 is an apocalyptic number.

It is an amenable number.

2287249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287249 is an equidigital number, since it uses as much as digits as its factorization.

2287249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 2287249 is about 1512.3653659086. The cubic root of 2287249 is about 131.7562266992.

The spelling of 2287249 in words is "two million, two hundred eighty-seven thousand, two hundred forty-nine".