10656257 has 2 divisors, whose sum is σ = 10656258. Its totient is φ = 10656256.

The previous prime is 10656241. The next prime is 10656301. The reversal of 10656257 is 75265601.

It is a happy number.

10656257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 1560001 = 3016^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 10656257 - 2⁴ = 10656241 is a prime.

It is a super-2 number, since 2×10656257² = 227111626500098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10656227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328128 + 5328129.

It is an arithmetic number, because the mean of its divisors is an integer number (5328129).

Almost surely, 2^10656257 is an apocalyptic number.

It is an amenable number.

10656257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10656257 is an equidigital number, since it uses as much as digits as its factorization.

10656257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 10656257 is about 3264.3922864754. The cubic root of 10656257 is about 220.0568516985.

The spelling of 10656257 in words is "ten million, six hundred fifty-six thousand, two hundred fifty-seven".