9290249 has 2 divisors, whose sum is σ = 9290250. Its totient is φ = 9290248.

The previous prime is 9290243. The next prime is 9290251. The reversal of 9290249 is 9420929.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 2347024 = 2635^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 9290249 - 2⁴ = 9290233 is a prime.

Together with 9290251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9290243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4645124 + 4645125.

It is an arithmetic number, because the mean of its divisors is an integer number (4645125).

Almost surely, 2^9290249 is an apocalyptic number.

It is an amenable number.

9290249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9290249 is an equidigital number, since it uses as much as digits as its factorization.

9290249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9290249 is about 3047.9909776769. The cubic root of 9290249 is about 210.2208485379.

The spelling of 9290249 in words is "nine million, two hundred ninety thousand, two hundred forty-nine".