Search a number
-
+
25973 = 191367

25973 has 4 divisors (see below), whose sum is σ = 27360. Its totient is φ = 24588.

The previous prime is 25969. The next prime is 25981. The reversal of 25973 is 37952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25973 - 22 = 25969 is a prime.

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 25973.

It is not an unprimeable number, because it can be changed into a prime (25903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (6840).

225973 is an apocalyptic number.

It is an amenable number.

25973 is a deficient number, since it is larger than the sum of its proper divisors (1387).

25973 is a wasteful number, since it uses less digits than its factorization.

25973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its digits is 1890, while the sum is 26.

The square root of 25973 is about 161.1614097729. The cubic root of 25973 is about 29.6147023382.

The spelling of 25973 in words is "twenty-five thousand, nine hundred seventy-three".

Divisors: 1 19 1367 25973