65697 has 8 divisors (see below), whose sum is σ = 89280. Its totient is φ = 42960.

The previous prime is 65687. The next prime is 65699. The reversal of 65697 is 79656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65697 - 2⁶ = 65633 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65697.

It is not an unprimeable number, because it can be changed into a prime (65699) 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, 4 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (11160).

2⁶⁵⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

65697 is a deficient number, since it is larger than the sum of its proper divisors (23583).

65697 is a wasteful number, since it uses less digits than its factorization.

65697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 11340, while the sum is 33.

The square root of 65697 is about 256.3142602354. The cubic root of 65697 is about 40.3504621067.

The spelling of 65697 in words is "sixty-five thousand, six hundred ninety-seven".