9704257 has 2 divisors, whose sum is σ = 9704258. Its totient is φ = 9704256.

The previous prime is 9704251. The next prime is 9704273. The reversal of 9704257 is 7524079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4999696 + 4704561 = 2236^2 + 2169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9704257 is a prime.

9704257 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9704251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4852128 + 4852129.

It is an arithmetic number, because the mean of its divisors is an integer number (4852129).

Almost surely, 2^9704257 is an apocalyptic number.

It is an amenable number.

9704257 is a deficient number, since it is larger than the sum of its proper divisors (1).

9704257 is an equidigital number, since it uses as much as digits as its factorization.

9704257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 9704257 is about 3115.1656456760. The cubic root of 9704257 is about 213.2983175494.

The spelling of 9704257 in words is "nine million, seven hundred four thousand, two hundred fifty-seven".