61183 has 8 divisors (see below), whose sum is σ = 66960. Its totient is φ = 55680.

The previous prime is 61169. The next prime is 61211. The reversal of 61183 is 38116.

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

It is a cyclic number.

It is not a de Polignac number, because 61183 - 2⁵ = 61151 is a prime.

It is a Duffinian number.

61183 is a modest number, since divided by 183 gives 61 as remainder.

61183 is a lucky number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 61183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61153) 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, 973 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (8370).

2⁶¹¹⁸³ is an apocalyptic number.

61183 is a deficient number, since it is larger than the sum of its proper divisors (5777).

61183 is a wasteful number, since it uses less digits than its factorization.

61183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137.

The product of its digits is 144, while the sum is 19.

The square root of 61183 is about 247.3519759371. The cubic root of 61183 is about 39.4042975034.

Adding to 61183 its reverse (38116), we get a palindrome (99299).

The spelling of 61183 in words is "sixty-one thousand, one hundred eighty-three".