25930 has 8 divisors (see below), whose sum is σ = 46692. Its totient is φ = 10368.

The previous prime is 25919. The next prime is 25931. The reversal of 25930 is 3952.

25930 = 70² + 71² + ... + 74².

It can be written as a sum of positive squares in 2 ways, for example, as 25921 + 9 = 161^2 + 3^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 25898 and 25907.

It is not an unprimeable number, because it can be changed into a prime (25931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287 + ... + 1306.

2²⁵⁹³⁰ is an apocalyptic number.

25930 is a deficient number, since it is larger than the sum of its proper divisors (20762).

25930 is a wasteful number, since it uses less digits than its factorization.

25930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 25930 is about 161.0279478848. The cubic root of 25930 is about 29.5983502855.

It can be divided in two parts, 259 and 30, that added together give a square (289 = 17²).

The spelling of 25930 in words is "twenty-five thousand, nine hundred thirty".