105025505 has 8 divisors (see below), whose sum is σ = 135725352. Its totient is φ = 77557248.

The previous prime is 105025457. The next prime is 105025511. The reversal of 105025505 is 505520501.

It can be written as a sum of positive squares in 4 ways, for example, as 8809024 + 96216481 = 2968^2 + 9809^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 105025505 - 2⁶ = 105025441 is a prime.

It is a super-2 number, since 2×105025505² = 22060713401010050, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807824 + ... + 807953.

It is an arithmetic number, because the mean of its divisors is an integer number (16965669).

Almost surely, 2^105025505 is an apocalyptic number.

It is an amenable number.

105025505 is a deficient number, since it is larger than the sum of its proper divisors (30699847).

105025505 is a wasteful number, since it uses less digits than its factorization.

105025505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615795.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 105025505 is about 10248.1952069621. The cubic root of 105025505 is about 471.8075932837.

The spelling of 105025505 in words is "one hundred five million, twenty-five thousand, five hundred five".