25486 has 4 divisors (see below), whose sum is σ = 38232. Its totient is φ = 12742.

The previous prime is 25471. The next prime is 25523. The reversal of 25486 is 68452.

25486 is nontrivially palindromic in base 8.

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

25486 is an undulating number in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 25486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370 + ... + 6373.

It is an arithmetic number, because the mean of its divisors is an integer number (9558).

2²⁵⁴⁸⁶ is an apocalyptic number.

25486 is a deficient number, since it is larger than the sum of its proper divisors (12746).

25486 is a wasteful number, since it uses less digits than its factorization.

25486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745.

The product of its digits is 1920, while the sum is 25.

The square root of 25486 is about 159.6433525080. The cubic root of 25486 is about 29.4284390157.

The spelling of 25486 in words is "twenty-five thousand, four hundred eighty-six".