193716401 has 2 divisors, whose sum is σ = 193716402. Its totient is φ = 193716400.

The previous prime is 193716389. The next prime is 193716403. The reversal of 193716401 is 104617391.

193716401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135117376 + 58599025 = 11624^2 + 7655^2 .

It is an emirp because it is prime and its reverse (104617391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193716401 - 2⁶ = 193716337 is a prime.

Together with 193716403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (193716403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96858200 + 96858201.

It is an arithmetic number, because the mean of its divisors is an integer number (96858201).

Almost surely, 2^193716401 is an apocalyptic number.

It is an amenable number.

193716401 is a deficient number, since it is larger than the sum of its proper divisors (1).

193716401 is an equidigital number, since it uses as much as digits as its factorization.

193716401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 193716401 is about 13918.2039430381. The cubic root of 193716401 is about 578.6138131483.

The spelling of 193716401 in words is "one hundred ninety-three million, seven hundred sixteen thousand, four hundred one".