105571025 has 24 divisors (see below), whose sum is σ = 150567744. Its totient is φ = 71928000.

The previous prime is 105571019. The next prime is 105571033. The reversal of 105571025 is 520175501.

It is a happy number.

It is not a de Polignac number, because 105571025 - 2⁴ = 105571009 is a prime.

It is a super-2 number, since 2×105571025² = 22290482639101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105570985 and 105571003.

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 23 ways as a sum of consecutive naturals, for example, 26675 + ... + 30375.

It is an arithmetic number, because the mean of its divisors is an integer number (6273656).

Almost surely, 2^105571025 is an apocalyptic number.

It is an amenable number.

105571025 is a deficient number, since it is larger than the sum of its proper divisors (44996719).

105571025 is a wasteful number, since it uses less digits than its factorization.

105571025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 105571025 is about 10274.7761532794. The cubic root of 105571025 is about 472.6230654684.

The spelling of 105571025 in words is "one hundred five million, five hundred seventy-one thousand, twenty-five".