105263161 has 2 divisors, whose sum is σ = 105263162. Its totient is φ = 105263160.

The previous prime is 105263149. The next prime is 105263177. The reversal of 105263161 is 161362501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91087936 + 14175225 = 9544^2 + 3765^2 .

It is a cyclic number.

It is not a de Polignac number, because 105263161 - 2⁵ = 105263129 is a prime.

It is a super-2 number, since 2×105263161² = 22160666127423842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105263461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52631580 + 52631581.

It is an arithmetic number, because the mean of its divisors is an integer number (52631581).

Almost surely, 2^105263161 is an apocalyptic number.

It is an amenable number.

105263161 is a deficient number, since it is larger than the sum of its proper divisors (1).

105263161 is an equidigital number, since it uses as much as digits as its factorization.

105263161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 105263161 is about 10259.7836721833. The cubic root of 105263161 is about 472.1632003516.

The spelling of 105263161 in words is "one hundred five million, two hundred sixty-three thousand, one hundred sixty-one".