193326401 has 2 divisors, whose sum is σ = 193326402. Its totient is φ = 193326400.

The previous prime is 193326377. The next prime is 193326403. The reversal of 193326401 is 104623391.

193326401 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., 127148176 + 66178225 = 11276^2 + 8135^2 .

It is an emirp because it is prime and its reverse (104623391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193326401 - 2⁶ = 193326337 is a prime.

It is a super-2 number, since 2×193326401² = 74750194647225602, which contains 22 as substring.

Together with 193326403, 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 (193326403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96663200 + 96663201.

It is an arithmetic number, because the mean of its divisors is an integer number (96663201).

Almost surely, 2^193326401 is an apocalyptic number.

It is an amenable number.

193326401 is a deficient number, since it is larger than the sum of its proper divisors (1).

193326401 is an equidigital number, since it uses as much as digits as its factorization.

193326401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 193326401 is about 13904.1864558844. The cubic root of 193326401 is about 578.2252537353.

Adding to 193326401 its reverse (104623391), we get a palindrome (297949792).

The spelling of 193326401 in words is "one hundred ninety-three million, three hundred twenty-six thousand, four hundred one".