65575 has 12 divisors (see below), whose sum is σ = 84568. Its totient is φ = 50400.

The previous prime is 65563. The next prime is 65579. The reversal of 65575 is 57556.

It is not a de Polignac number, because 65575 - 2⁵ = 65543 is a prime.

It is a super-3 number, since 3×65575³ = 845933360953125, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045 + ... + 1105.

2⁶⁵⁵⁷⁵ is an apocalyptic number.

65575 is a deficient number, since it is larger than the sum of its proper divisors (18993).

65575 is a wasteful number, since it uses less digits than its factorization.

65575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 109 counting only the distinct ones).

The product of its digits is 5250, while the sum is 28.

The square root of 65575 is about 256.0761605460. The cubic root of 65575 is about 40.3254695565.

The spelling of 65575 in words is "sixty-five thousand, five hundred seventy-five".