105525225 has 72 divisors (see below), whose sum is σ = 208528320. Its totient is φ = 50682240.

The previous prime is 105525193. The next prime is 105525281. The reversal of 105525225 is 522525501.

It is not a de Polignac number, because 105525225 - 2⁵ = 105525193 is a prime.

It is a super-2 number, since 2×105525225² = 22271146222601250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 125356 + ... + 126194.

Almost surely, 2^105525225 is an apocalyptic number.

105525225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105525225 is a deficient number, since it is larger than the sum of its proper divisors (103003095).

105525225 is a wasteful number, since it uses less digits than its factorization.

105525225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 105525225 is about 10272.5471524837. The cubic root of 105525225 is about 472.5547093786.

The spelling of 105525225 in words is "one hundred five million, five hundred twenty-five thousand, two hundred twenty-five".