105279085 has 4 divisors (see below), whose sum is σ = 126334908. Its totient is φ = 84223264.

The previous prime is 105279061. The next prime is 105279091. The reversal of 105279085 is 580972501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51065316 + 54213769 = 7146^2 + 7363^2 .

It is a cyclic number.

It is not a de Polignac number, because 105279085 - 2¹⁷ = 105148013 is a prime.

It is a super-2 number, since 2×105279085² = 22167371476874450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10527904 + ... + 10527913.

It is an arithmetic number, because the mean of its divisors is an integer number (31583727).

Almost surely, 2^105279085 is an apocalyptic number.

It is an amenable number.

105279085 is a deficient number, since it is larger than the sum of its proper divisors (21055823).

105279085 is an equidigital number, since it uses as much as digits as its factorization.

105279085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055822.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 105279085 is about 10260.5596825904. The cubic root of 105279085 is about 472.1870084520.

The spelling of 105279085 in words is "one hundred five million, two hundred seventy-nine thousand, eighty-five".