25258 has 8 divisors (see below), whose sum is σ = 38628. Its totient is φ = 12384.

The previous prime is 25253. The next prime is 25261. The reversal of 25258 is 85252.

It can be written as a sum of positive squares in 2 ways, for example, as 23409 + 1849 = 153^2 + 43^2 .

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253) by changing a digit.

25258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 60 + ... + 232.

2²⁵²⁵⁸ is an apocalyptic number.

25258 is a deficient number, since it is larger than the sum of its proper divisors (13370).

25258 is a wasteful number, since it uses less digits than its factorization.

25258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its digits is 800, while the sum is 22.

The square root of 25258 is about 158.9276564982. The cubic root of 25258 is about 29.3404195460.

The spelling of 25258 in words is "twenty-five thousand, two hundred fifty-eight".