105505469 has 2 divisors, whose sum is σ = 105505470. Its totient is φ = 105505468.

The previous prime is 105505453. The next prime is 105505471. The reversal of 105505469 is 964505501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64609444 + 40896025 = 8038^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 105505469 - 2⁴ = 105505453 is a prime.

It is a super-2 number, since 2×105505469² = 22262807977819922, which contains 22 as substring.

Together with 105505471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105505409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752734 + 52752735.

It is an arithmetic number, because the mean of its divisors is an integer number (52752735).

Almost surely, 2^105505469 is an apocalyptic number.

It is an amenable number.

105505469 is a deficient number, since it is larger than the sum of its proper divisors (1).

105505469 is an equidigital number, since it uses as much as digits as its factorization.

105505469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 105505469 is about 10271.5855153915. The cubic root of 105505469 is about 472.5252176196.

The spelling of 105505469 in words is "one hundred five million, five hundred five thousand, four hundred sixty-nine".