9770249 has 2 divisors, whose sum is σ = 9770250. Its totient is φ = 9770248.

The previous prime is 9770231. The next prime is 9770251. The reversal of 9770249 is 9420779.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 4624 = 3125^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 9770249 - 2⁸ = 9769993 is a prime.

Together with 9770251, 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 (9770209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4885124 + 4885125.

It is an arithmetic number, because the mean of its divisors is an integer number (4885125).

Almost surely, 2^9770249 is an apocalyptic number.

It is an amenable number.

9770249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9770249 is an equidigital number, since it uses as much as digits as its factorization.

9770249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 9770249 is about 3125.7397524426. The cubic root of 9770249 is about 213.7807242408.

The spelling of 9770249 in words is "nine million, seven hundred seventy thousand, two hundred forty-nine".