105503449 has 2 divisors, whose sum is σ = 105503450. Its totient is φ = 105503448.

The previous prime is 105503407. The next prime is 105503491. The reversal of 105503449 is 944305501.

It is a balanced prime because it is at equal distance from previous prime (105503407) and next prime (105503491).

It can be written as a sum of positive squares in only one way, i.e., 85433049 + 20070400 = 9243^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 105503449 - 2¹⁵ = 105470681 is a prime.

It is a super-2 number, since 2×105503449² = 22261955501791202, 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 105503449.

It is not a weakly prime, because it can be changed into another prime (105503149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52751724 + 52751725.

It is an arithmetic number, because the mean of its divisors is an integer number (52751725).

Almost surely, 2^105503449 is an apocalyptic number.

It is an amenable number.

105503449 is a deficient number, since it is larger than the sum of its proper divisors (1).

105503449 is an equidigital number, since it uses as much as digits as its factorization.

105503449 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 31.

The square root of 105503449 is about 10271.4871854080. The cubic root of 105503449 is about 472.5222019559.

The spelling of 105503449 in words is "one hundred five million, five hundred three thousand, four hundred forty-nine".