10657649 has 2 divisors, whose sum is σ = 10657650. Its totient is φ = 10657648.

The previous prime is 10657639. The next prime is 10657667. The reversal of 10657649 is 94675601.

10657649 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., 10195249 + 462400 = 3193^2 + 680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10657649 is a prime.

It is a super-2 number, since 2×10657649² = 227170964414402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10657639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328824 + 5328825.

It is an arithmetic number, because the mean of its divisors is an integer number (5328825).

Almost surely, 2^10657649 is an apocalyptic number.

It is an amenable number.

10657649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10657649 is an equidigital number, since it uses as much as digits as its factorization.

10657649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 10657649 is about 3264.6054891824. The cubic root of 10657649 is about 220.0664331053.

The spelling of 10657649 in words is "ten million, six hundred fifty-seven thousand, six hundred forty-nine".