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197137 is a prime number
BaseRepresentation
bin110000001000010001
3101000102101
4300020101
522302022
64120401
71450513
oct601021
9330371
10197137
11125126
1296101
136b965
1451bb3
153d627
hex30211

197137 has 2 divisors, whose sum is σ = 197138. Its totient is φ = 197136.

The previous prime is 197123. The next prime is 197147. The reversal of 197137 is 731791.

It is a happy number.

It is a Cunningham number, because it is equal to 4442+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197136 + 1 = 444^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 197137 - 27 = 197009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98568 + 98569.

It is an arithmetic number, because the mean of its divisors is an integer number (98569).

2197137 is an apocalyptic number.

It is an amenable number.

197137 is a deficient number, since it is larger than the sum of its proper divisors (1).

197137 is an equidigital number, since it uses as much as digits as its factorization.

197137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323, while the sum is 28.

The square root of 197137 is about 444.0011261247. The cubic root of 197137 is about 58.1999637856.

It can be divided in two parts, 1971 and 37, that multiplied together give a palindrome (72927).

The spelling of 197137 in words is "one hundred ninety-seven thousand, one hundred thirty-seven".