91925 has 6 divisors (see below), whose sum is σ = 114018. Its totient is φ = 73520.

The previous prime is 91921. The next prime is 91939. The reversal of 91925 is 52919.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14641 + 77284 = 121^2 + 278^2 .

It is not a de Polignac number, because 91925 - 2² = 91921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91894 and 91903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91925.

It is not an unprimeable number, because it can be changed into a prime (91921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1814 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (19003).

2⁹¹⁹²⁵ is an apocalyptic number.

It is an amenable number.

91925 is a deficient number, since it is larger than the sum of its proper divisors (22093).

91925 is a wasteful number, since it uses less digits than its factorization.

91925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3682 counting only the distinct ones).

The product of its digits is 810, while the sum is 26.

The square root of 91925 is about 303.1913587159. The cubic root of 91925 is about 45.1313037441.

The spelling of 91925 in words is "ninety-one thousand, nine hundred twenty-five".