10654661 has 2 divisors, whose sum is σ = 10654662. Its totient is φ = 10654660.

The previous prime is 10654603. The next prime is 10654691. The reversal of 10654661 is 16645601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 4024036 = 2575^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 10654661 - 2¹⁸ = 10392517 is a prime.

It is a super-2 number, since 2×10654661² = 227043602049842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10654601) 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 as a sum of consecutive naturals, namely, 5327330 + 5327331.

It is an arithmetic number, because the mean of its divisors is an integer number (5327331).

Almost surely, 2^10654661 is an apocalyptic number.

It is an amenable number.

10654661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10654661 is an equidigital number, since it uses as much as digits as its factorization.

10654661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 10654661 is about 3264.1478214076. The cubic root of 10654661 is about 220.0458650931.

The spelling of 10654661 in words is "ten million, six hundred fifty-four thousand, six hundred sixty-one".