105875281 has 2 divisors, whose sum is σ = 105875282. Its totient is φ = 105875280.

The previous prime is 105875267. The next prime is 105875309. The reversal of 105875281 is 182578501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92332881 + 13542400 = 9609^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 105875281 - 2²⁵ = 72320849 is a prime.

It is a super-2 number, since 2×105875281² = 22419150253657922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 105875281.

It is not a weakly prime, because it can be changed into another prime (105875221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52937640 + 52937641.

It is an arithmetic number, because the mean of its divisors is an integer number (52937641).

Almost surely, 2^105875281 is an apocalyptic number.

It is an amenable number.

105875281 is a deficient number, since it is larger than the sum of its proper divisors (1).

105875281 is an equidigital number, since it uses as much as digits as its factorization.

105875281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 105875281 is about 10289.5714682391. The cubic root of 105875281 is about 473.0766636714.

The spelling of 105875281 in words is "one hundred five million, eight hundred seventy-five thousand, two hundred eighty-one".