25282 has 4 divisors (see below), whose sum is σ = 37926. Its totient is φ = 12640.

The previous prime is 25261. The next prime is 25301. The reversal of 25282 is 28252.

It is a Cunningham number, because it is equal to 159²+1.

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., 25281 + 1 = 159^2 + 1^2 .

It is an unprimeable number.

25282 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319 + ... + 6322.

2²⁵²⁸² is an apocalyptic number.

25282 is a deficient number, since it is larger than the sum of its proper divisors (12644).

25282 is a wasteful number, since it uses less digits than its factorization.

25282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643.

The product of its digits is 320, while the sum is 19.

The square root of 25282 is about 159.0031446230. The cubic root of 25282 is about 29.3497096344.

The spelling of 25282 in words is "twenty-five thousand, two hundred eighty-two".