105507725 has 12 divisors (see below), whose sum is σ = 135050880. Its totient is φ = 81682800.

The previous prime is 105507707. The next prime is 105507751. The reversal of 105507725 is 527705501.

It is not a de Polignac number, because 105507725 - 2⁸ = 105507469 is a prime.

It is a super-2 number, since 2×105507725² = 22263760069351250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 105507691 and 105507700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67295 + ... + 68844.

It is an arithmetic number, because the mean of its divisors is an integer number (11254240).

Almost surely, 2^105507725 is an apocalyptic number.

It is an amenable number.

105507725 is a deficient number, since it is larger than the sum of its proper divisors (29543155).

105507725 is a wasteful number, since it uses less digits than its factorization.

105507725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136180 (or 136175 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 105507725 is about 10271.6953323198. The cubic root of 105507725 is about 472.5285855628.

The spelling of 105507725 in words is "one hundred five million, five hundred seven thousand, seven hundred twenty-five".