105566025 has 12 divisors (see below), whose sum is σ = 174535952. Its totient is φ = 56301840.

The previous prime is 105565997. The next prime is 105566029. The reversal of 105566025 is 520665501.

It is not a de Polignac number, because 105566025 - 2⁶ = 105565961 is a prime.

It is a super-2 number, since 2×105566025² = 22288371268601250, 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 = 105565983 and 105566001.

It is not an unprimeable number, because it can be changed into a prime (105566029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703699 + ... + 703848.

Almost surely, 2^105566025 is an apocalyptic number.

105566025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105566025 is a deficient number, since it is larger than the sum of its proper divisors (68969927).

105566025 is a wasteful number, since it uses less digits than its factorization.

105566025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407560 (or 1407555 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 105566025 is about 10274.5328360953. The cubic root of 105566025 is about 472.6156039746.

The spelling of 105566025 in words is "one hundred five million, five hundred sixty-six thousand, twenty-five".