25526 has 4 divisors (see below), whose sum is σ = 38292. Its totient is φ = 12762.

The previous prime is 25523. The next prime is 25537. The reversal of 25526 is 62552.

It is a happy number.

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

It is a d-powerful number, because it can be written as 2¹² + 5⁴ + 5⁵ + 2¹⁴ + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 25498 and 25507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (9573).

2²⁵⁵²⁶ is an apocalyptic number.

25526 is a deficient number, since it is larger than the sum of its proper divisors (12766).

25526 is a wasteful number, since it uses less digits than its factorization.

25526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765.

The product of its digits is 600, while the sum is 20.

The square root of 25526 is about 159.7685826438. The cubic root of 25526 is about 29.4438268399.

The spelling of 25526 in words is "twenty-five thousand, five hundred twenty-six".