60691 has 4 divisors (see below), whose sum is σ = 61272. Its totient is φ = 60112.

The previous prime is 60689. The next prime is 60703. The reversal of 60691 is 19606.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19606 = 2 ⋅9803.

It is a cyclic number.

It is not a de Polignac number, because 60691 - 2¹ = 60689 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60601) 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, 85 + ... + 358.

It is an arithmetic number, because the mean of its divisors is an integer number (15318).

2⁶⁰⁶⁹¹ is an apocalyptic number.

60691 is a deficient number, since it is larger than the sum of its proper divisors (581).

60691 is a wasteful number, since it uses less digits than its factorization.

60691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 60691 is about 246.3554342814. The cubic root of 60691 is about 39.2983905571.

The spelling of 60691 in words is "sixty thousand, six hundred ninety-one".