105245887 has 2 divisors, whose sum is σ = 105245888. Its totient is φ = 105245886.

The previous prime is 105245857. The next prime is 105245941. The reversal of 105245887 is 788542501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105245887 - 2¹¹ = 105243839 is a prime.

It is a super-2 number, since 2×105245887² = 22153393460833538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105245857) 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, 52622943 + 52622944.

It is an arithmetic number, because the mean of its divisors is an integer number (52622944).

Almost surely, 2^105245887 is an apocalyptic number.

105245887 is a deficient number, since it is larger than the sum of its proper divisors (1).

105245887 is an equidigital number, since it uses as much as digits as its factorization.

105245887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 105245887 is about 10258.9418070286. The cubic root of 105245887 is about 472.1373711402.

The spelling of 105245887 in words is "one hundred five million, two hundred forty-five thousand, eight hundred eighty-seven".