9697249 has 2 divisors, whose sum is σ = 9697250. Its totient is φ = 9697248.

The previous prime is 9697243. The next prime is 9697253. The reversal of 9697249 is 9427969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 1677025 = 2832^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 9697249 - 2⁵ = 9697217 is a prime.

It is an Ulam number.

9697249 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9697199 and 9697208.

It is not a weakly prime, because it can be changed into another prime (9697243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848624 + 4848625.

It is an arithmetic number, because the mean of its divisors is an integer number (4848625).

Almost surely, 2^9697249 is an apocalyptic number.

It is an amenable number.

9697249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697249 is an equidigital number, since it uses as much as digits as its factorization.

9697249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 9697249 is about 3114.0406227280. The cubic root of 9697249 is about 213.2469602059.

The spelling of 9697249 in words is "nine million, six hundred ninety-seven thousand, two hundred forty-nine".