106516549 has 2 divisors, whose sum is σ = 106516550. Its totient is φ = 106516548.

The previous prime is 106516517. The next prime is 106516559. The reversal of 106516549 is 945615601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 28547649 = 8830^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 106516549 - 2⁵ = 106516517 is a prime.

It is a super-2 number, since 2×106516549² = 22691550421738802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106516559) 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, 53258274 + 53258275.

It is an arithmetic number, because the mean of its divisors is an integer number (53258275).

Almost surely, 2^106516549 is an apocalyptic number.

It is an amenable number.

106516549 is a deficient number, since it is larger than the sum of its proper divisors (1).

106516549 is an equidigital number, since it uses as much as digits as its factorization.

106516549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 106516549 is about 10320.6854907995. The cubic root of 106516549 is about 474.0298559295.

The spelling of 106516549 in words is "one hundred six million, five hundred sixteen thousand, five hundred forty-nine".