194573201 has 2 divisors, whose sum is σ = 194573202. Its totient is φ = 194573200.

The previous prime is 194573191. The next prime is 194573213. The reversal of 194573201 is 102375491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188348176 + 6225025 = 13724^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 194573201 - 2¹⁰ = 194572177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (194573101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97286600 + 97286601.

It is an arithmetic number, because the mean of its divisors is an integer number (97286601).

Almost surely, 2^194573201 is an apocalyptic number.

It is an amenable number.

194573201 is a deficient number, since it is larger than the sum of its proper divisors (1).

194573201 is an equidigital number, since it uses as much as digits as its factorization.

194573201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 194573201 is about 13948.9498171009. The cubic root of 194573201 is about 579.4656205666.

The spelling of 194573201 in words is "one hundred ninety-four million, five hundred seventy-three thousand, two hundred one".