65526 has 16 divisors (see below), whose sum is σ = 133824. Its totient is φ = 21384.

The previous prime is 65521. The next prime is 65537. The reversal of 65526 is 62556.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 65496 and 65505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 483.

It is an arithmetic number, because the mean of its divisors is an integer number (8364).

2⁶⁵⁵²⁶ is an apocalyptic number.

65526 is an abundant number, since it is smaller than the sum of its proper divisors (68298).

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 (66912).

65526 is a wasteful number, since it uses less digits than its factorization.

65526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its digits is 1800, while the sum is 24.

The square root of 65526 is about 255.9804680049. The cubic root of 65526 is about 40.3154228396.

The spelling of 65526 in words is "sixty-five thousand, five hundred twenty-six".