105520469 has 2 divisors, whose sum is σ = 105520470. Its totient is φ = 105520468.

The previous prime is 105520463. The next prime is 105520477. The reversal of 105520469 is 964025501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86248369 + 19272100 = 9287^2 + 4390^2 .

It is an emirp because it is prime and its reverse (964025501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105520469 is a prime.

It is a super-2 number, since 2×105520469² = 22269138755959922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105520463) 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, 52760234 + 52760235.

It is an arithmetic number, because the mean of its divisors is an integer number (52760235).

Almost surely, 2^105520469 is an apocalyptic number.

It is an amenable number.

105520469 is a deficient number, since it is larger than the sum of its proper divisors (1).

105520469 is an equidigital number, since it uses as much as digits as its factorization.

105520469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 105520469 is about 10272.3156590907. The cubic root of 105520469 is about 472.5476099577.

The spelling of 105520469 in words is "one hundred five million, five hundred twenty thousand, four hundred sixty-nine".