8280105 has 32 divisors (see below), whose sum is σ = 14774400. Its totient is φ = 3935232.

The previous prime is 8280053. The next prime is 8280127. The reversal of 8280105 is 5010828.

It is not a de Polignac number, because 8280105 - 2¹⁹ = 7755817 is a prime.

It is a super-2 number, since 2×8280105² = 137120277622050, which contains 22 as substring.

It is a Curzon number.

8280105 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3991 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

Almost surely, 2^8280105 is an apocalyptic number.

8280105 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8280105 is a deficient number, since it is larger than the sum of its proper divisors (6494295).

8280105 is a wasteful number, since it uses less digits than its factorization.

8280105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 8280105 is about 2877.5171589410. The cubic root of 8280105 is about 202.3074835471.

It can be divided in two parts, 8280 and 105, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 8280105 in words is "eight million, two hundred eighty thousand, one hundred five".