25834 has 4 divisors (see below), whose sum is σ = 38754. Its totient is φ = 12916.

The previous prime is 25819. The next prime is 25841. The reversal of 25834 is 43852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21609 + 4225 = 147^2 + 65^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457 + ... + 6460.

2²⁵⁸³⁴ is an apocalyptic number.

25834 is a deficient number, since it is larger than the sum of its proper divisors (12920).

25834 is a wasteful number, since it uses less digits than its factorization.

25834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919.

The product of its digits is 960, while the sum is 22.

The square root of 25834 is about 160.7295865732. The cubic root of 25834 is about 29.5617780338.

It can be divided in two parts, 258 and 34, that added together give a palindrome (292).

The spelling of 25834 in words is "twenty-five thousand, eight hundred thirty-four".