25086 has 16 divisors (see below), whose sum is σ = 51984. Its totient is φ = 8064.

The previous prime is 25073. The next prime is 25087. The reversal of 25086 is 68052.

It is a happy number.

25086 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

25086 is an undulating number in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25087) by changing a digit.

25086 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 in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 278.

It is an arithmetic number, because the mean of its divisors is an integer number (3249).

2²⁵⁰⁸⁶ is an apocalyptic number.

25086 is an abundant number, since it is smaller than the sum of its proper divisors (26898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25992).

25086 is a wasteful number, since it uses less digits than its factorization.

25086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 25086 is about 158.3856054066. The cubic root of 25086 is about 29.2736677459.

The spelling of 25086 in words is "twenty-five thousand, eighty-six".