105630647 has 2 divisors, whose sum is σ = 105630648. Its totient is φ = 105630646.

The previous prime is 105630631. The next prime is 105630649. The reversal of 105630647 is 746036501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105630647 - 2⁴ = 105630631 is a prime.

It is a super-2 number, since 2×105630647² = 22315667171277218, which contains 22 as substring.

Together with 105630649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105630649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52815323 + 52815324.

It is an arithmetic number, because the mean of its divisors is an integer number (52815324).

Almost surely, 2^105630647 is an apocalyptic number.

105630647 is a deficient number, since it is larger than the sum of its proper divisors (1).

105630647 is an equidigital number, since it uses as much as digits as its factorization.

105630647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 105630647 is about 10277.6771208284. The cubic root of 105630647 is about 472.7120211560.

The spelling of 105630647 in words is "one hundred five million, six hundred thirty thousand, six hundred forty-seven".