105565265 has 8 divisors (see below), whose sum is σ = 136422888. Its totient is φ = 77955840.

The previous prime is 105565259. The next prime is 105565289. The reversal of 105565265 is 562565501.

It can be written as a sum of positive squares in 4 ways, for example, as 13712209 + 91853056 = 3703^2 + 9584^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105565265 - 2¹⁰ = 105564241 is a prime.

It is a super-2 number, since 2×105565265² = 22288050349040450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811976 + ... + 812105.

It is an arithmetic number, because the mean of its divisors is an integer number (17052861).

Almost surely, 2^105565265 is an apocalyptic number.

It is an amenable number.

105565265 is a deficient number, since it is larger than the sum of its proper divisors (30857623).

105565265 is a wasteful number, since it uses less digits than its factorization.

105565265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624099.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 105565265 is about 10274.4958513788. The cubic root of 105565265 is about 472.6144698070.

The spelling of 105565265 in words is "one hundred five million, five hundred sixty-five thousand, two hundred sixty-five".