10766257 has 4 divisors (see below), whose sum is σ = 10865140. Its totient is φ = 10667376.

The previous prime is 10766251. The next prime is 10766263. The reversal of 10766257 is 75266701.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10766251) and next prime (10766263).

It can be written as a sum of positive squares in 2 ways, for example, as 7612081 + 3154176 = 2759^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 10766257 - 2¹¹ = 10764209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10766251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49278 + ... + 49495.

It is an arithmetic number, because the mean of its divisors is an integer number (2716285).

Almost surely, 2^10766257 is an apocalyptic number.

It is an amenable number.

10766257 is a deficient number, since it is larger than the sum of its proper divisors (98883).

10766257 is an equidigital number, since it uses as much as digits as its factorization.

10766257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98882.

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

The square root of 10766257 is about 3281.1974948180. The cubic root of 10766257 is about 220.8114455424.

The spelling of 10766257 in words is "ten million, seven hundred sixty-six thousand, two hundred fifty-seven".