105863530 has 16 divisors (see below), whose sum is σ = 191770920. Its totient is φ = 42075072.

The previous prime is 105863519. The next prime is 105863531. The reversal of 105863530 is 35368501.

It can be written as a sum of positive squares in 4 ways, for example, as 38081241 + 67782289 = 6171^2 + 8233^2 .

It is a super-2 number, since 2×105863530² = 22414173968121800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105863492 and 105863501.

It is not an unprimeable number, because it can be changed into a prime (105863531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32145 + ... + 35284.

Almost surely, 2^105863530 is an apocalyptic number.

105863530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105863530 is a deficient number, since it is larger than the sum of its proper divisors (85907390).

105863530 is a wasteful number, since it uses less digits than its factorization.

105863530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67593.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 105863530 is about 10289.0004373603. Note that the first 3 decimals coincide. The cubic root of 105863530 is about 473.0591609094.

The spelling of 105863530 in words is "one hundred five million, eight hundred sixty-three thousand, five hundred thirty".