105549629 has 2 divisors, whose sum is σ = 105549630. Its totient is φ = 105549628.

The previous prime is 105549601. The next prime is 105549671. The reversal of 105549629 is 926945501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105472900 + 76729 = 10270^2 + 277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105549629 is a prime.

It is a super-2 number, since 2×105549629² = 22281448364075282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105549679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52774814 + 52774815.

It is an arithmetic number, because the mean of its divisors is an integer number (52774815).

Almost surely, 2^105549629 is an apocalyptic number.

It is an amenable number.

105549629 is a deficient number, since it is larger than the sum of its proper divisors (1).

105549629 is an equidigital number, since it uses as much as digits as its factorization.

105549629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 105549629 is about 10273.7349099536. The cubic root of 105549629 is about 472.5911345911.

The spelling of 105549629 in words is "one hundred five million, five hundred forty-nine thousand, six hundred twenty-nine".