105861263 has 2 divisors, whose sum is σ = 105861264. Its totient is φ = 105861262.

The previous prime is 105861251. The next prime is 105861269. The reversal of 105861263 is 362168501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105861263 - 2⁴ = 105861247 is a prime.

It is a super-2 number, since 2×105861263² = 22413214007910338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105861269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52930631 + 52930632.

It is an arithmetic number, because the mean of its divisors is an integer number (52930632).

Almost surely, 2^105861263 is an apocalyptic number.

105861263 is a deficient number, since it is larger than the sum of its proper divisors (1).

105861263 is an equidigital number, since it uses as much as digits as its factorization.

105861263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 105861263 is about 10288.8902705783. The cubic root of 105861263 is about 473.0557841318.

The spelling of 105861263 in words is "one hundred five million, eight hundred sixty-one thousand, two hundred sixty-three".