193601 has 2 divisors, whose sum is σ = 193602. Its totient is φ = 193600.

The previous prime is 193597. The next prime is 193603. The reversal of 193601 is 106391.

It is a Cunningham number, because it is equal to 440²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193600 + 1 = 440^2 + 1^2 .

It is an emirp because it is prime and its reverse (106391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193601 - 2² = 193597 is a prime.

It is a Sophie Germain prime.

Together with 193603, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (193603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96800 + 96801.

It is an arithmetic number, because the mean of its divisors is an integer number (96801).

2¹⁹³⁶⁰¹ is an apocalyptic number.

It is an amenable number.

193601 is a deficient number, since it is larger than the sum of its proper divisors (1).

193601 is an equidigital number, since it uses as much as digits as its factorization.

193601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 193601 is about 440.0011363622. The cubic root of 193601 is about 57.8498892787.

Adding to 193601 its reverse (106391), we get a palindrome (299992).

The spelling of 193601 in words is "one hundred ninety-three thousand, six hundred one".