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113173 is a prime number
BaseRepresentation
bin11011101000010101
312202020121
4123220111
512110143
62231541
7650644
oct335025
9182217
10113173
1178035
12555b1
133c688
142d35b
15237ed
hex1ba15

113173 has 2 divisors, whose sum is σ = 113174. Its totient is φ = 113172.

The previous prime is 113171. The next prime is 113177. The reversal of 113173 is 371311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88209 + 24964 = 297^2 + 158^2 .

It is an emirp because it is prime and its reverse (371311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113173 - 21 = 113171 is a prime.

Together with 113171, it forms a pair of twin primes.

113173 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56586 + 56587.

It is an arithmetic number, because the mean of its divisors is an integer number (56587).

2113173 is an apocalyptic number.

It is an amenable number.

113173 is a deficient number, since it is larger than the sum of its proper divisors (1).

113173 is an equidigital number, since it uses as much as digits as its factorization.

113173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63, while the sum is 16.

The square root of 113173 is about 336.4119498472. The cubic root of 113173 is about 48.3705407779.

Adding to 113173 its reverse (371311), we get a palindrome (484484).

The spelling of 113173 in words is "one hundred thirteen thousand, one hundred seventy-three".