9257249 has 2 divisors, whose sum is σ = 9257250. Its totient is φ = 9257248.

The previous prime is 9257243. The next prime is 9257257. The reversal of 9257249 is 9427529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 2155024 = 2665^2 + 1468^2 .

It is an emirp because it is prime and its reverse (9427529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9257249 - 2⁴ = 9257233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9257243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4628624 + 4628625.

It is an arithmetic number, because the mean of its divisors is an integer number (4628625).

Almost surely, 2^9257249 is an apocalyptic number.

It is an amenable number.

9257249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9257249 is an equidigital number, since it uses as much as digits as its factorization.

9257249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 9257249 is about 3042.5727600174. The cubic root of 9257249 is about 209.9716439415.

The spelling of 9257249 in words is "nine million, two hundred fifty-seven thousand, two hundred forty-nine".