106549369 has 2 divisors, whose sum is σ = 106549370. Its totient is φ = 106549368.

The previous prime is 106549367. The next prime is 106549379. The reversal of 106549369 is 963945601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86862400 + 19686969 = 9320^2 + 4437^2 .

It is a cyclic number.

It is not a de Polignac number, because 106549369 - 2¹ = 106549367 is a prime.

It is a super-2 number, since 2×106549369² = 22705536068596322, which contains 22 as substring.

Together with 106549367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106549367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53274684 + 53274685.

It is an arithmetic number, because the mean of its divisors is an integer number (53274685).

Almost surely, 2^106549369 is an apocalyptic number.

It is an amenable number.

106549369 is a deficient number, since it is larger than the sum of its proper divisors (1).

106549369 is an equidigital number, since it uses as much as digits as its factorization.

106549369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 106549369 is about 10322.2753790044. The cubic root of 106549369 is about 474.0785371357.

The spelling of 106549369 in words is "one hundred six million, five hundred forty-nine thousand, three hundred sixty-nine".