196541 has 2 divisors, whose sum is σ = 196542. Its totient is φ = 196540.

The previous prime is 196523. The next prime is 196543. The reversal of 196541 is 145691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143641 + 52900 = 379^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 196541 - 2⁶ = 196477 is a prime.

It is a Sophie Germain prime.

Together with 196543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 196541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98270 + 98271.

It is an arithmetic number, because the mean of its divisors is an integer number (98271).

2¹⁹⁶⁵⁴¹ is an apocalyptic number.

It is an amenable number.

196541 is a deficient number, since it is larger than the sum of its proper divisors (1).

196541 is an equidigital number, since it uses as much as digits as its factorization.

196541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 196541 is about 443.3294486045. The cubic root of 196541 is about 58.1412530184.

It can be divided in two parts, 196 and 541, that added together give a palindrome (737).

The spelling of 196541 in words is "one hundred ninety-six thousand, five hundred forty-one".