61683 has 8 divisors (see below), whose sum is σ = 85200. Its totient is φ = 39648.

The previous prime is 61681. The next prime is 61687. The reversal of 61683 is 38616.

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

It is not a de Polignac number, because 61683 - 2¹ = 61681 is a prime.

61683 is a lucky number.

It is a plaindrome in base 7.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (61681) 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, 268 + ... + 441.

It is an arithmetic number, because the mean of its divisors is an integer number (10650).

2⁶¹⁶⁸³ is an apocalyptic number.

61683 is a deficient number, since it is larger than the sum of its proper divisors (23517).

61683 is a wasteful number, since it uses less digits than its factorization.

61683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its digits is 864, while the sum is 24.

The square root of 61683 is about 248.3606248986. The cubic root of 61683 is about 39.5113464173.

The spelling of 61683 in words is "sixty-one thousand, six hundred eighty-three".