105045247 has 2 divisors, whose sum is σ = 105045248. Its totient is φ = 105045246.

The previous prime is 105045211. The next prime is 105045287. The reversal of 105045247 is 742540501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105045247 - 2⁷ = 105045119 is a prime.

It is a super-2 number, since 2×105045247² = 22069007834582018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105045287) 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, 52522623 + 52522624.

It is an arithmetic number, because the mean of its divisors is an integer number (52522624).

Almost surely, 2^105045247 is an apocalyptic number.

105045247 is a deficient number, since it is larger than the sum of its proper divisors (1).

105045247 is an equidigital number, since it uses as much as digits as its factorization.

105045247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 105045247 is about 10249.1583556895. The cubic root of 105045247 is about 471.8371538555.

Adding to 105045247 its reverse (742540501), we get a palindrome (847585748).

It can be divided in two parts, 10504 and 5247, that added together give a palindrome (15751).

The spelling of 105045247 in words is "one hundred five million, forty-five thousand, two hundred forty-seven".