5681925 has 18 divisors (see below), whose sum is σ = 10177362. Its totient is φ = 3030240.

The previous prime is 5681911. The next prime is 5681933. The reversal of 5681925 is 5291865.

It is a happy number.

5681925 is a `hidden beast` number, since 568 + 1 + 92 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1483524 + 4198401 = 1218^2 + 2049^2 .

It is not a de Polignac number, because 5681925 - 2⁶ = 5681861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5681925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12402 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (565409).

Almost surely, 2^5681925 is an apocalyptic number.

It is an amenable number.

5681925 is a deficient number, since it is larger than the sum of its proper divisors (4495437).

5681925 is a wasteful number, since it uses less digits than its factorization.

5681925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25269 (or 25261 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5681925 is about 2383.6788793795. The cubic root of 5681925 is about 178.4425821021.

The spelling of 5681925 in words is "five million, six hundred eighty-one thousand, nine hundred twenty-five".