61163 has 4 divisors (see below), whose sum is σ = 63168. Its totient is φ = 59160.
The previous prime is 61153. The next prime is 61169. The reversal of 61163 is 36116.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 61163 - 26 = 61099 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (61169) 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, 956 + ... + 1017.
It is an arithmetic number, because the mean of its divisors is an integer number (15792).
261163 is an apocalyptic number.
61163 is a deficient number, since it is larger than the sum of its proper divisors (2005).
61163 is a wasteful number, since it uses less digits than its factorization.
61163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2004.
The product of its digits is 108, while the sum is 17.
The square root of 61163 is about 247.3115444131. The cubic root of 61163 is about 39.4000034356.
Adding to 61163 its reverse (36116), we get a palindrome (97279).
The spelling of 61163 in words is "sixty-one thousand, one hundred sixty-three".
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