105744491 has 2 divisors, whose sum is σ = 105744492. Its totient is φ = 105744490.

The previous prime is 105744479. The next prime is 105744493. The reversal of 105744491 is 194447501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105744491 - 2²² = 101550187 is a prime.

It is a super-2 number, since 2×105744491² = 22363794753698162, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 105744493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105744493) 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, 52872245 + 52872246.

It is an arithmetic number, because the mean of its divisors is an integer number (52872246).

Almost surely, 2^105744491 is an apocalyptic number.

105744491 is a deficient number, since it is larger than the sum of its proper divisors (1).

105744491 is an equidigital number, since it uses as much as digits as its factorization.

105744491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 105744491 is about 10283.2140403670. The cubic root of 105744491 is about 472.8817828276.

The spelling of 105744491 in words is "one hundred five million, seven hundred forty-four thousand, four hundred ninety-one".