106451549 has 2 divisors, whose sum is σ = 106451550. Its totient is φ = 106451548.

The previous prime is 106451533. The next prime is 106451561. The reversal of 106451549 is 945154601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 24820324 = 9035^2 + 4982^2 .

It is a cyclic number.

It is not a de Polignac number, because 106451549 - 2⁴ = 106451533 is a prime.

It is a super-2 number, since 2×106451549² = 22663864568998802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106451599) 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, 53225774 + 53225775.

It is an arithmetic number, because the mean of its divisors is an integer number (53225775).

Almost surely, 2^106451549 is an apocalyptic number.

It is an amenable number.

106451549 is a deficient number, since it is larger than the sum of its proper divisors (1).

106451549 is an equidigital number, since it uses as much as digits as its factorization.

106451549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 106451549 is about 10317.5359946065. The cubic root of 106451549 is about 473.9334132936.

The spelling of 106451549 in words is "one hundred six million, four hundred fifty-one thousand, five hundred forty-nine".