105019853 has 2 divisors, whose sum is σ = 105019854. Its totient is φ = 105019852.

The previous prime is 105019813. The next prime is 105019867. The reversal of 105019853 is 358910501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 50879689 = 7358^2 + 7133^2 .

It is a cyclic number.

It is not a de Polignac number, because 105019853 - 2⁸ = 105019597 is a prime.

It is a super-2 number, since 2×105019853² = 22058339048283218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105019813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52509926 + 52509927.

It is an arithmetic number, because the mean of its divisors is an integer number (52509927).

Almost surely, 2^105019853 is an apocalyptic number.

It is an amenable number.

105019853 is a deficient number, since it is larger than the sum of its proper divisors (1).

105019853 is an equidigital number, since it uses as much as digits as its factorization.

105019853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 105019853 is about 10247.9194473805. The cubic root of 105019853 is about 471.7991296114.

The spelling of 105019853 in words is "one hundred five million, nineteen thousand, eight hundred fifty-three".