65835 has 48 divisors (see below), whose sum is σ = 149760. Its totient is φ = 25920.

The previous prime is 65831. The next prime is 65837. The reversal of 65835 is 53856.

65835 = T₄₃ + T₄₄ + ... + T₇₇.

65835 is a `hidden beast` number, since 658 + 3 + 5 = 666.

65835 is nontrivially palindromic in base 12.

65835 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 65835 - 2² = 65831 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (3600) is a multiple of the sum of its prime divisors (45).

It is a junction number, because it is equal to n+sod(n) for n = 65799 and 65808.

It is not an unprimeable number, because it can be changed into a prime (65831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3456 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (3120).

2⁶⁵⁸³⁵ is an apocalyptic number.

65835 is an abundant number, since it is smaller than the sum of its proper divisors (83925).

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 (74880).

65835 is a wasteful number, since it uses less digits than its factorization.

65835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 45 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 65835 is about 256.5833198008. The cubic root of 65835 is about 40.3786951028.

It can be divided in two parts, 65 and 835, that added together give a square (900 = 30²).

The spelling of 65835 in words is "sixty-five thousand, eight hundred thirty-five".