196501 has 2 divisors, whose sum is σ = 196502. Its totient is φ = 196500.

The previous prime is 196499. The next prime is 196519. The reversal of 196501 is 105691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180625 + 15876 = 425^2 + 126^2 .

It is an emirp because it is prime and its reverse (105691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196501 - 2¹ = 196499 is a prime.

It is a super-2 number, since 2×196501² = 77225286002, which contains 22 as substring.

Together with 196499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98250 + 98251.

It is an arithmetic number, because the mean of its divisors is an integer number (98251).

2¹⁹⁶⁵⁰¹ is an apocalyptic number.

It is an amenable number.

196501 is a deficient number, since it is larger than the sum of its proper divisors (1).

196501 is an equidigital number, since it uses as much as digits as its factorization.

196501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 196501 is about 443.2843331317. The cubic root of 196501 is about 58.1373084506.

The spelling of 196501 in words is "one hundred ninety-six thousand, five hundred one".