106549291 has 2 divisors, whose sum is σ = 106549292. Its totient is φ = 106549290.

The previous prime is 106549279. The next prime is 106549297. The reversal of 106549291 is 192945601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106549291 is a prime.

It is a super-2 number, since 2×106549291² = 22705502825205362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106549291.

It is not a weakly prime, because it can be changed into another prime (106549297) 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, 53274645 + 53274646.

It is an arithmetic number, because the mean of its divisors is an integer number (53274646).

Almost surely, 2^106549291 is an apocalyptic number.

106549291 is a deficient number, since it is larger than the sum of its proper divisors (1).

106549291 is an equidigital number, since it uses as much as digits as its factorization.

106549291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 106549291 is about 10322.2716007670. The cubic root of 106549291 is about 474.0784214518.

The spelling of 106549291 in words is "one hundred six million, five hundred forty-nine thousand, two hundred ninety-one".