105491063 has 2 divisors, whose sum is σ = 105491064. Its totient is φ = 105491062.

The previous prime is 105491039. The next prime is 105491081. The reversal of 105491063 is 360194501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105491063 - 2⁸ = 105490807 is a prime.

It is a super-2 number, since 2×105491063² = 22256728745739938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105491003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52745531 + 52745532.

It is an arithmetic number, because the mean of its divisors is an integer number (52745532).

Almost surely, 2^105491063 is an apocalyptic number.

105491063 is a deficient number, since it is larger than the sum of its proper divisors (1).

105491063 is an equidigital number, since it uses as much as digits as its factorization.

105491063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 105491063 is about 10270.8842365202. The cubic root of 105491063 is about 472.5037100200.

The spelling of 105491063 in words is "one hundred five million, four hundred ninety-one thousand, sixty-three".