105697725 has 24 divisors (see below), whose sum is σ = 199719360. Its totient is φ = 48318720.

The previous prime is 105697717. The next prime is 105697747. The reversal of 105697725 is 527796501.

It is not a de Polignac number, because 105697725 - 2³ = 105697717 is a prime.

It is a super-2 number, since 2×105697725² = 22344018140351250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100140 + ... + 101189.

It is an arithmetic number, because the mean of its divisors is an integer number (8321640).

Almost surely, 2^105697725 is an apocalyptic number.

105697725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105697725 is a deficient number, since it is larger than the sum of its proper divisors (94021635).

105697725 is a wasteful number, since it uses less digits than its factorization.

105697725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201349 (or 201344 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 105697725 is about 10280.9398889401. The cubic root of 105697725 is about 472.8120611486.

The spelling of 105697725 in words is "one hundred five million, six hundred ninety-seven thousand, seven hundred twenty-five".