65693 has 4 divisors (see below), whose sum is σ = 66240. Its totient is φ = 65148.

The previous prime is 65687. The next prime is 65699. The reversal of 65693 is 39656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (65687) and next prime (65699).

It is a cyclic number.

It is not a de Polignac number, because 65693 - 2⁴ = 65677 is a prime.

It is a d-powerful number, because it can be written as 6² + 5⁵ + 6⁴ + 9⁵ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (16560).

2⁶⁵⁶⁹³ is an apocalyptic number.

It is an amenable number.

65693 is a deficient number, since it is larger than the sum of its proper divisors (547).

65693 is a wasteful number, since it uses less digits than its factorization.

65693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its digits is 4860, while the sum is 29.

The square root of 65693 is about 256.3064571953. The cubic root of 65693 is about 40.3496431697.

The spelling of 65693 in words is "sixty-five thousand, six hundred ninety-three".