105503969 has 2 divisors, whose sum is σ = 105503970. Its totient is φ = 105503968.

The previous prime is 105503963. The next prime is 105504073. The reversal of 105503969 is 969305501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98743969 + 6760000 = 9937^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 105503969 - 2²⁴ = 88726753 is a prime.

It is a super-2 number, since 2×105503969² = 22262174949505922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105503963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52751984 + 52751985.

It is an arithmetic number, because the mean of its divisors is an integer number (52751985).

Almost surely, 2^105503969 is an apocalyptic number.

It is an amenable number.

105503969 is a deficient number, since it is larger than the sum of its proper divisors (1).

105503969 is an equidigital number, since it uses as much as digits as its factorization.

105503969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 105503969 is about 10271.5124981670. The cubic root of 105503969 is about 472.5229782691.

The spelling of 105503969 in words is "one hundred five million, five hundred three thousand, nine hundred sixty-nine".