105251065 has 8 divisors (see below), whose sum is σ = 127528128. Its totient is φ = 83382960.

The previous prime is 105251021. The next prime is 105251087. The reversal of 105251065 is 560152501.

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

It is not a de Polignac number, because 105251065 - 2¹⁵ = 105218297 is a prime.

It is a super-2 number, since 2×105251065² = 22155573367268450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101671 + ... + 102700.

It is an arithmetic number, because the mean of its divisors is an integer number (15941016).

Almost surely, 2^105251065 is an apocalyptic number.

It is an amenable number.

105251065 is a deficient number, since it is larger than the sum of its proper divisors (22277063).

105251065 is a wasteful number, since it uses less digits than its factorization.

105251065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204479.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 105251065 is about 10259.1941691343. The cubic root of 105251065 is about 472.1451139201.

The spelling of 105251065 in words is "one hundred five million, two hundred fifty-one thousand, sixty-five".