109625 has 8 divisors (see below), whose sum is σ = 136968. Its totient is φ = 87600.

The previous prime is 109621. The next prime is 109639. The reversal of 109625 is 526901.

109625 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 109561 = 8^2 + 331^2 .

It is not a de Polignac number, because 109625 - 2² = 109621 is a prime.

It is a Duffinian number.

109625 is an undulating number in base 12.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109625.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109625.

It is not an unprimeable number, because it can be changed into a prime (109621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (17121).

2¹⁰⁹⁶²⁵ is an apocalyptic number.

It is an amenable number.

109625 is a deficient number, since it is larger than the sum of its proper divisors (27343).

109625 is an frugal number, since it uses more digits than its factorization.

109625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 109625 is about 331.0966626229. The cubic root of 109625 is about 47.8596886276.

The spelling of 109625 in words is "one hundred nine thousand, six hundred twenty-five".